PlantUML Q&A - Recent questions without answers

Mutually exclusive tasks in Gantt Chart

Fri, 03 Apr 2026 05:14:43 +0000

G'Day,

I'm struggling with what I would have thought would be a simple thing in Gantt charts.

I have two [or more] tasks that are not dependent on each other, but require the same resource, so cannot be worked at the same time, exemplified by the following code:

@startgantt

Project starts 2026-04-06
Saturday are closed
Sunday are closed

[Task A] on {Me:100%} requires 5 days
[Task B] on {Me:100%} requires 3 days
[Task C] on {Me:100%} requires 2 days
[Task D] on {Me:100%} requires 5 days

[Task B] starts at [Task A]'s end
[Task C] starts at [Task A]'s end
[Task D] starts at [Task B]'s end
[Task D] starts at [Task C]'s end

@endgantt

This project could be completed by doing:

Task A, Task B, Task C, and Task D
Task A, Task C, Task B, and Task D
Task A, interleaving Tasks B and C, and Task D

Given that the order of tasks B and C doesn't matter, I'd be happy if the Gantt chart code picked option 1 as it's a valid solution.

What happens, however, is that I apparently clone myself and work both Task B and C concurrently for two days, completing the 15 days work in 13 elapsed days.

This produces the correct result:
[Task B] starts at [Task A]'s end
[Task C] starts at [Task A]'s end
[Task C] starts at [Task B]'s end with #FFFFFF00 link
[Task D] starts at [Task B]'s end
[Task D] starts at [Task C]'s end

Interestingly, this does not produce the correct result, scheduling Tasks C and D concurrently:
[Task B] starts at [Task A]'s end
[Task C] starts at [Task A]'s end
[Task D] starts at [Task B]'s end
[Task D] starts at [Task C]'s end
[Task C] starts at [Task B]'s end with #FFFFFF00 link

One extra invisible link isn't too much of an issue, but as a work-around it doesn't scale well.

Is there any way to enforce the resource constraint without adding extra dependencies?

Thanks,

Mark.

Cross functional process flow diagram

Fri, 13 Mar 2026 14:17:12 +0000

Using corporate IT we can create cross functional process flows with the Excel standard cross functional process flow template which uses a visio addin to visualise the diagram from a simple spreadsheet list. However the diagram is plain and not very easy to read or use.

Plantuml currently allows the creation of simple process flows but not true cross functional process flows (twin axis) like in excel and visio and BPMN2.0. I believe that creating this capability will grow plantumls audience to cover business analysts alongside architects like myself and will be of greatest value to businesses.

If you choose to act upon this I would be most willing to support in anyway I could

the -cypher commandline option doesn't work for new syntax

Fri, 13 Mar 2026 12:42:20 +0000

when using the cypher option on the commandline, the cypher engine doesn't detect some of the "newer" syntax, which ends up breaking the build. certain lines in component diagrams like "package my_package as mp" don't get cyphered, but their use will. also skinparam groups with the "<<myskin>>" don't get scrambled either.

ports are still pretty buggy.

Thu, 12 Mar 2026 21:10:37 +0000

ports for component diagrams have come a really long way; but for mild complexity diagrams, they are still failing to align properly.

GANTT: IllegalArgumentException because of constraints

Mon, 09 Mar 2026 12:02:58 +0000

Testet with V1.2026.3beta 4 and V1.2026.2.

I have the following Example which does not work:

@startgantt MWE
'--- Grund‑Einstellungen ----------------------------------------------------
Project starts 2026-03-23
saturday are closed
sunday are closed
2026-04-03 to 2026-04-06 is closed
2026-05-01 is closed
2026-05-15 is closed
2026-05-25 is closed
hide resources footbox
printscale daily zoom 5
title "MEW"
footer Stand: 09.03.2026
language de
today is colored in green
'-------------------------------------------------------
[First Todo] as [a1] on {Res A} starts at 2026-03-23 and requires 1 day
[Second Todo] as [a2] on {Res A} requires 1 hour and starts at [a1]'s start
[Third Todo] as [a3] on {Res A} requires 3 days and starts at [a2]'s end
@endgantt

If I change the yellow highlighted part to start, everything works fine.

in class Diagram ,what does "#--"、“^--”、“x--”、“}--”、“+--” mean

Tue, 24 Feb 2026 07:48:38 +0000

notes attached to class member useless if left to right direction

Tue, 10 Feb 2026 09:08:14 +0000

Note left or right of specific class members looks messy when using left to right direcion:

```
@startuml

left to right direction

class a {
field1
field2
field3
}

note right of a::field2
first field
end note

note left of a::field3
another field
end note

@enduml

compare to top to bottom direction:

Is there an Open Feature / Issue to improve SVG Sprite handling - I've got an experiment would like to propose as a PR

Wed, 28 Jan 2026 01:04:25 +0000

I've had some time to work on another implementation of Sprite SVG Parsing.

I am wondering if there is an open feature / features on this already or if I should create one?

Have gone down the path of:
- Adding Batik library to parse SVG Sprite elements
- A new Interface ISvgParser extends Sprite
-- has method void drawU(UGraphic ug, double scale, HColor fontColor, HColor forcedColor)
- 2 SVG Sprite parsing implementations that implement the ISvgParser, SvgNanoParser (existing) and SvgDomParser (New)
- SvgDomParser uses Dom logic on SVGs vs. Text/Regex and have been able to add more SVG handling features (most common but not everything)

This discussion has some enhancments, if there is no specific Feature request yet I'll create a new one.
https://github.com/plantuml/plantuml/discussions/1066

Preferred use of qualified name (absolute vs. relative names)

Mon, 26 Jan 2026 09:37:36 +0000

Dear all, it seems that there are different ways to use qualified names (which are not well documented, unless I am mistaken). In the following simple example. I like to declare an association between the classes A and B which are in the packages p1 and p2, respectively.

PlantUML can create a duplicate of a referenced classifier, since it interprets a qualified name as a relative path unless it is prefixed with a dot or the first segment of the qualified name is already known. See below for an example. Is there a preference to use qualified names?

@startuml
' does not work: p2 is interpreted as subpackage of p1, B is duplicated
package p1 {
class A { }
A -- p2.B
}

package p2 {
class B { }
}
@enduml

@startuml
' forward declaration of p2, works
package p2 {}

package p1 {
class A { }
A -- p2.B
}

package p2 {
class B { }
}
@enduml

@startuml
' absolute qualified names using a preceding dot

package p1 {
class A { }
A -- .p2.B
}

package p2 {
class B { }
}
@enduml

@startuml
' enclosing with single root, works

package root {
package p1 {
class A { }
A -- root.p2.B
}

package p2 {
class B { }
}
}
@enduml

architectural and Detailed Design as per the requirements . Include any design constraints

Wed, 14 Jan 2026 07:03:07 +0000

How to increase heap size for plantuml-server running in container?

Tue, 06 Jan 2026 17:12:05 +0000

I am running plantuml-server (jetty) in a container, and I am getting OutofMemoryError: java.heap.space" for one larger diagram.

I tried increasing the heap by adding

```
environment:
- JAVA_OPTIONS=-Xmx512m

```

to my docker-compose file. But that does not seem to have any effect?

How does the new syntax of activity diagrams achieve the pointing of corresponding arrows?

Sat, 03 Jan 2026 15:51:15 +0000

The old syntax of activity diagrams achieves arrow conversion through keywords such as down, but the new syntax does not support the down keyword.

-down-> (default arrow)
-right-> or ->
-left->
-up->

As shown in the activity diagram of the new grammar below, how can the pointing of arrows be achieved：

@startuml
start
:"First Activity";
:"Second Activity;
:"Third Activity";
stop
@enduml

The Gap - a freespace bug after extentending nodes in nwdiag

Fri, 26 Dec 2025 11:32:22 +0000

There is like,a gap between dev3 and DPx. Or maybe its a variation where gap is between web3 and PPx. Anyway I believe its a bug. I know the nwdiag is an [Amazing and totally not bugged out diagramm code] yet still I want to at least know how to workaround with this.

So, that is code:

@startuml

nwdiag {

group YProd{

web1

web2

}

group YDev{

dev1

dev2

}

group YUat{

uat1

uat2

}

network Public {

color = "red"

Q -- web1

web1 -- web2

web2 -- web3

vd -- dev1

dev1 -- dev2

dev2 -- dev3

vu -- uat1

uat1 -- uat2

uat2 -- uat3

vg1

vg1 -- git1

vg2

vg2 -- git2

}

network Private {

color = "palegreen"

width = full

web3 -- PPx

uat3

dev3 -- DPx

DPx -- Ddb

PPx -- Pdb

git1

git2

}

@enduml

Rendering error on Mac (M2) - externally imported library

Fri, 12 Dec 2025 13:57:41 +0000

Error, inside IntellJ. Local rendering. Switching to remote rendering works fine. Code below. Also works on collegues computer. Other diagrams work well, so my guess is that it might be in the included library, but instruction in error tells me to post here. Reported also at https://github.com/tmorin/plantuml-libs/issues/38.

@startuml

!global $LIB_BASE_LOCATION="https://raw.githubusercontent.com/tmorin/plantuml-libs/master/distribution"
!include $LIB_BASE_LOCATION/bootstrap.puml

' loads the package bootstrap
include('eventstorming/bootstrap')

' include elements
include('eventstorming/Element/FacadeCommand')
include('eventstorming/Element/Command')
include('eventstorming/Element/Result')
include('eventstorming/Element/Event')
include('eventstorming/Element/DomainEvent')
include('eventstorming/Element/IntegrationEvent')
include('eventstorming/Element/Query')
include('eventstorming/Element/ReadModel')
include('eventstorming/Element/UserInterface')
include('eventstorming/Element/Aggregate')
include('eventstorming/Element/Service')
include('eventstorming/Element/Policy')
include('eventstorming/Element/Saga')
include('eventstorming/Element/Process')
include('eventstorming/Element/Timer')
include('eventstorming/Element/Person')
include('eventstorming/Element/System')
include('eventstorming/Element/Comment')


' display elements
FacadeCommand('FacadeCommand')
Command('Command')
Result('Result')
Event('Event')
DomainEvent('DomainEvent')
IntegrationEvent('IntegrationEvent')
Query('Query')
ReadModel('ReadModel')

@enduml

Embedded dot generates broken svg

Thu, 04 Dec 2025 17:04:37 +0000

Hello,

What I do :

The following source test.puml :

@startuml
digraph dfd{
problem -> solution [label = "é"]
}
@enduml

Rendered, under windows with he command :

javaw -jar plantuml.jar -charset UTF-8 -tsvg test.puml

Notepad++ indicates my file is encoded in utf8.

What happen :

the generated svg is broken : the first line in the svg is not compliant with xml, it looks like a dot error message :
"Warning: Invalid 3-byte UTF8 found in input of graph dfd - treated as Latin-1. Perhaps "-Gcharset=latin1" is needed?"

Yet, after removing this line, the svg is correct, the content is also correct : the "é" is here.

Result is the same with png format.

Using :

dot is the dot embedded in plantuml version plantuml-1.2025.10 on Windows 11.

Further test :

I run similar test with a later dot version using

$env:GRAPHVIZ_DOT="C:\Dev\Outils\Graphviz\bin\dot.exe"

javaw -jar plantuml.jar -charset UTF-8 -tsvg test.puml

with the same result.

What I expect :

I think that if there is an error, no output should be generated at all, at least not an invalid output (a valid svg with the error message)

I think all the input is UTF8, so I think that there should be no error at all.

Regards,

PMZ

In Network Diagrams (Nwdiag) is it possible to style the address default font background color, without using HTML tags?

Thu, 27 Nov 2025 15:20:58 +0000

Hi,

Is it possible to set the default background color of the text of "address", in order to avoid the overlapping of text and lines? I tried to set a style using :

<style>

nwdiagDiagram {

 arrow {

 ' FontXXX only for address

 BackGroundColor #plum

 }

}

</style>

But it does not seem to work. The alternative would be using HTML tags for every address:

nwdiag {

 network internal {
 address = "<back:plum>172.x.x.x/24";

 web01 [address = "<back:plum>172.x.x.1"];

 }

}

but I wonder if there is another way I'm not aware of.

Thank you in advance!

Can resource allocation in a gantt chart be scaled on a weekly or monthly base?

Mon, 24 Nov 2025 14:23:29 +0000

I use a simple gantt chart with resources. Here a easy example from the website:

@startgantt
project starts 2025-10-01
printscale daily
[Task1] on {Alice} requires 30 days
[Task2] on {Bob:50%} requires 2 days
then [Task3] on {Alice:25%} requires 1 days
@endgantt

when I switch the printscale to weekly the resource calculation gives me the sum of the resources.

I know it's correct, but not intuitive to me. I would prefer a mean value for the week.

Is there a way to make this work?

Thanks!

Why this don't work.

Fri, 21 Nov 2025 20:07:05 +0000

File: govite_rpc_diagram.puml

@startuml
namespace rpc {
 class "API" << (S,Aquamarine) >> {
 + Namespace string
 + Version string
 + Service interface{}
 + Public bool

 }
 class "BatchElem" << (S,Aquamarine) >> {
 + Method string
 + Args []interface{}
 + Result interface{}
 + Error error

 }
 class "Client" << (S,Aquamarine) >> {
 - idCounter uint32
 - connectFunc func(context.Context) (net.Conn, error)
 - isHTTP bool
 - writeConn net.Conn
 - close chan struct{}
 - didQuit chan struct{}
 - reconnected chan net.Conn
 - readErr chan error
 - readResp chan []*jsonrpcMessage
 - requestOp chan *requestOp
 - sendDone chan error
 - respWait map[string]*requestOp
 - subs map[string]*ClientSubscription

 - nextID() json.RawMessage
 - newMessage(method string, paramsIn ...interface{}) (*jsonrpcMessage, error)
 - send(ctx context.Context, op *requestOp, msg interface{}) error
 - write(ctx context.Context, msg interface{}) error
 - reconnect(ctx context.Context) error
 - dispatch(conn net.Conn)
 - closeRequestOps(err error)
 - handleNotification(msg *jsonrpcMessage)
 - handleResponse(msg *jsonrpcMessage)
 - read(conn net.Conn) error
 - sendHTTP(ctx context.Context, op *requestOp, msg interface{}) error
 - sendBatchHTTP(ctx context.Context, op *requestOp, msgs []*jsonrpcMessage) error

 + SupportedModules() (map[string]string, error)
 + Close()
 + Call(result interface{}, method string, args ...interface{}) error
 + CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error
 + BatchCall(b []BatchElem) error
 + BatchCallContext(ctx context.Context, b []BatchElem) error
 + EthSubscribe(ctx context.Context, channel interface{}, args ...interface{}) (*ClientSubscription, error)
 + ShhSubscribe(ctx context.Context, channel interface{}, args ...interface{}) (*ClientSubscription, error)
 + Subscribe(ctx context.Context, namespace string, channel interface{}, args ...interface{}) (*ClientSubscription, error)

 }
 class "ClientSubscription" << (S,Aquamarine) >> {
 - client *Client
 - etype reflect.Type
 - channel reflect.Value
 - namespace string
 - subid string
 - in chan json.RawMessage
 - quitOnce sync.Once
 - quit chan struct{}
 - errOnce sync.Once
 - err chan error

 - quitWithError(err error, unsubscribeServer bool)
 - deliver(result json.RawMessage) bool
 - start()
 - forward() (error, bool)
 - unmarshal(result json.RawMessage) (interface{}, error)
 - requestUnsubscribe() error

 + Err() chan error
 + Unsubscribe()

 }
 interface "Error" {
 + Error() string
 + ErrorCode() int

 }
 interface "ErrorWithId" {
 + Id() interface{}

 }
 class "StdIOConn" << (S,Aquamarine) >> {
 + Read(b []byte) (int, error)
 + Write(b []byte) (int, error)
 + Close() error
 + LocalAddr() net.Addr
 + RemoteAddr() net.Addr
 + SetDeadline(t time.Time) error
 + SetReadDeadline(t time.Time) error
 + SetWriteDeadline(t time.Time) error

 }
 class "Subscription" << (S,Aquamarine) >> {
 - namespace string
 - err chan error

 + ID ID

 + Err() chan error

 }
 class "WebSocketCli" << (S,Aquamarine) >> {
 - u *url.URL
 - c *websocket.Conn
 - srv *Server
 - closed chan struct{}
 - nextConnTime time.Time

 + Srv(c *websocket.Conn) error
 + Close()
 + Handle()

 }
 class "callback" << (S,Aquamarine) >> {
 - rcvr reflect.Value
 - method reflect.Method
 - argTypes []reflect.Type
 - hasCtx bool
 - errPos int
 - isSubscribe bool

 }
 class "callbackError" << (S,Aquamarine) >> {
 - message string

 + ErrorCode() int
 + Error() string

 }
 class "executePanicError" << (S,Aquamarine) >> {
 + ErrorCode() int
 + Error() string

 }
 class "httpConn" << (S,Aquamarine) >> {
 - client *http.Client
 - req *http.Request
 - closeOnce sync.Once
 - closed chan struct{}

 - doRequest(ctx context.Context, msg interface{}) (io.ReadCloser, error)

 + LocalAddr() net.Addr
 + RemoteAddr() net.Addr
 + SetReadDeadline( time.Time) error
 + SetWriteDeadline( time.Time) error
 + SetDeadline( time.Time) error
 + Write( []byte) (int, error)
 + Read(b []byte) (int, error)
 + Close() error

 }
 class "httpReadWriteNopCloser" << (S,Aquamarine) >> {
 + Close() error

 }
 class "invalidMessageError" << (S,Aquamarine) >> {
 - message string

 + ErrorCode() int
 + Error() string

 }
 class "invalidParamsError" << (S,Aquamarine) >> {
 - message string

 + ErrorCode() int
 + Error() string

 }
 class "invalidRequestError" << (S,Aquamarine) >> {
 - message string
 - id interface{}

 + ErrorCode() int
 + Error() string
 + Id() interface{}

 }
}
"__builtin__.int" #.. "rpc.CodecOption"
"__builtin__.string" #.. "rpc.ID"
"rpc.map[string]*callback" #.. "rpc.callbacks"
"rpc.map[string]*callback" #.. "rpc.subscriptions"
"rpc.map[string]*service" #.. "rpc.serviceRegistry"
"rpc.Error" *-- "rpc.ErrorWithId"
"io.Reader" *-- "rpc.httpReadWriteNopCloser"
"io.Writer" *-- "rpc.httpReadWriteNopCloser"

"rpc.Error" <|-- "rpc.callbackError"
"rpc.Error" <|-- "rpc.executePanicError"
"rpc.Error" <|-- "rpc.invalidMessageError"
"rpc.Error" <|-- "rpc.invalidParamsError"
"rpc.Error" <|-- "rpc.invalidRequestError"
"rpc.ErrorWithId" <|-- "rpc.invalidRequestError"
"rpc.ServerCodec" <|-- "rpc.jsonCodec"
"rpc.Error" <|-- "rpc.jsonError"
"rpc.Error" <|-- "rpc.methodNotFoundError"
"rpc.ErrorWithId" <|-- "rpc.methodNotFoundError"
"rpc.Error" <|-- "rpc.shutdownError"

@enduml

PS U:\UMLExperiment> java -Xmx2048m -jar G:\Tools\PlantUML\plantuml-mit-1.2025.10.jar govite_rpc_diagram.puml
Warning: no image in govite_rpc_diagram.puml
PS U:\UMLExperiment>

Hide the diagram code from readers of the document who do not have PlantUML ADD-in

Wed, 19 Nov 2025 09:46:35 +0000

After creating my diagrams with PlantUML, I hide the code using the "Hide PlantUML" button and save the document. However, when a reader who does not have PlantUML add-in opens the document, the code is still visible. I expected the code to be hidden and not readable. Is there a solution for this?

Goto operator doesn't work if swimlanes used

Mon, 17 Nov 2025 04:37:44 +0000

(just added two swimlanns to example with 'goto')

@startuml
title Point two queries to same activity\nwith `goto`
|swimlane1|;
start
if (Test Question?) then (yes)
'space label only for alignment
label sp_lab0
label sp_lab1
'real label
label lab
:shared;
else (no)
if (Second Test Question?) then (yes)
label sp_lab2
goto sp_lab1
else
|swimlane2|;
:nonShared;
endif
endif
:merge;
@enduml

Strange behaviour in percentage of completion of Gantt diagram

Wed, 12 Nov 2025 11:25:08 +0000

Hello, PlantUMLers!

Playing with a Gantt diagram, I discovered that this (minimal working example) code

@startgantt
<style>
ganttDiagram {
    task {
        RoundCorner 1
    }
}
</style>

Project starts 2025-10-06
saturday are closed
sunday are closed
[Task] as [task] requires 20 days and is colored in lightblue 
[task] is 15% complete
@endgantt

generates this diagram:

As you can see, the % of completion (wrongly) appears at the beginning of each segment, with exception of the first and last one.

If I remove "RoundCorner 1" or set it to 0, it works well:

And even stranger... If I keep "RoundCorner 1" but remove "Project starts 2025-10-06", it also works well!

I think this is a bug but in case it is not, is there something I am doing wrong?

Thanks in advance!

can't help a sequence

Wed, 29 Oct 2025 08:42:10 +0000

PlantUML Web Server

Does PlantUML online server no longer support `http:` image references?

Sat, 25 Oct 2025 16:21:38 +0000

The C4 Readme contains some samples with images referenced via `http:` instead of `https:`.
Previously, the old online server displayed these images without any problems.
The new/current online server reports a "Cannot decode: http://...." error. Is this intentional?

https://www.plantuml.com/plantuml/uml/bP91RzGm48Nl_XL3L45MsYP5XSkAe5PB1KWBMwL572itddKjENPaEvGLuhypjfTi3d3OKvonvvltddtb0tTXx3LxeKodHu7m5CBWLtNj-7CbLNWQ7qUFhhCce0bLP_jwqDp4ddCVX5QFzVhD-MqiVVkogNlk0pegFQofWok3hXeYdxtAfo7IVAg1m1qTyE07fm92aRQAevHtThTJ7TQfNXyRtpF6heLeKTzpMHP_zHHBE0luCwojjgufpgxRTllzORtTRDkufMdMVxQoWAPGlLn5_wjwCfaSQoljPJKO-SjtN6DpKLt-JaYKQCJToTslPzttfBWfA5zlDK9mIafqA8e5OxTas9eo6b_cT40wEmuWbAS9UnJmJ3S4_93Wt4hEaY1ikeYoowj4cwePaPG9u4P05pEYzNP0yvbQL3VdljnPBOYGhRojBfRfV2CTtyTnTtiVi2zz-j2S_7_GQK3rNE99aKTeY_gGmiIbKe9c8fG_58V0fLz4U5mqntUnc06c3EQCoQhvbzTawnEzbytDnvkl7ye5kq8Z2Fm7

The issue is related to PlantUML online server no longer(?) supports http: image references (replace with https:) · Issue #405 · plantuml-stdlib/C4-PlantUML

Thank you and best regards
Helmut

Two workers on one task starting at different times

Wed, 15 Oct 2025 16:17:51 +0000

I have a question similar to

https://forum.plantuml.net/18397/gantt-how-handle-resource-starts-terminates-specific-date

One worker is working on Job-1.

Once he finished that, he will start Job-2.

A second worker will start on Job-2 while worker one is still on Job-1.

@startgantt
project starts the 2025/10/01
saturday are closed
sunday are closed

[Job-1] as [J1] on {BKI} lasts 13 days
[Job-2] as [J2] lasts 9 days
[J2] on {BKI} starts after [J1]'s end
[J2] on {AKI} starts at 2025-10-15

@endgantt

I came up with the following, but it requires manual adjustment of the workload.

I'd rather prefer to start Job-2 on 2025-10-15 and add resource BKI once Job-1 is finished.

@startgantt
project starts the 2025/10/01
saturday are closed
sunday are closed

[Job-1]   as [J1] on {BKI} lasts 13 days
[Job-2]   as [J2a] lasts 3 days
[Job-2]   as [J2b] lasts 6 days
[J2a] on {BKI} starts after [J1]'s end
[J2b] on {AKI} starts at 2025-10-15

@endgantt

Eclipse PlantUML view states "Cannot find style sysmic" in red text

Wed, 17 Sep 2025 17:21:01 +0000

I'm new to Eclipse. I have followed the instructions in the ReadME but when I select show view PlantUML I get a message this is an old version and a "Cannot find style sysmic". It was working until it came up with the error that it was 1229 days old, so I updated, and still get the error.

But now have in green on black image:

PlantUML 1.2024.5

This version of PlantUML is 479 days old, so you should

consider upgrading from https://plantUML.com/download

[From string (line 2) ]

@startuml

skin sysmic

Cannot find style sysmic

Preferences state PlantUML installation seems OK, File generation OK. Help!

Can I hide the closed days or move them behing the task in Gantt?

Wed, 17 Sep 2025 16:10:39 +0000

The closed days are shown on top of the tasks and cut it in a very ugly way, especially in bigger scales (monthly, quarterly, yearly).

Is there a way to move them behind the tasks (change the z-order)? Or maybe hide them in big project scales?

I thought I could export it as svg and bring the task to the front. But the task is really cut in smaller rectangles!

@startgantt

printscale quarterly zoom 5
saturday are closed
sunday are closed

project starts 2025-10-01

[Task1] lasts 55 days

[Task2] lasts 85 days and starts at [Task1]'s end

@endgantt

//www.plantuml.com/plantuml/png/NSwn2i8m4CRn_PxYsvmARI3Ws8Tm4uSZEKIDYUOkGtrwGsqNbnj-yFsvMOshNJcR4RtgBPi6Je9twomrBVYKyeGdPMiryWAkWf2AIYHj-Kzwejmb6DQimetE3zCuZ1FH-SJwc2v8hARm7dsh6xkTZpy6vxWtsB1D3mh9aMZkTttv2m00

Most of the images-links are not correct resolved

Thu, 11 Sep 2025 16:44:16 +0000

If I open ex. the README.md of the stdlib (plantuml-stdlib/README.md at master · plantuml/plantuml-stdlib) or the Themes.md of the C4-PlanrUML C4-PlantUML/Themes.md at master · plantuml-stdlib/C4-PlantUML then most of the images are not correct displayed or invisible (if I have no alternative text). In my extended brach I added an alternative text that all not correct resolved images are shown too C4-PlantUML/Themes.md at extended · kirchsth/C4-PlantUML

How can I avoid the broken links/images?

Thank you and best regards
Helmut

PS.: one alternative would be the PlantUML Editor Online - Free & Fast UML Diagram Tool | PlantText server, but this server does not have the last PlantUML release

Activity Diagram with swimlanes and fork: how to disable horizontal shift

Thu, 11 Sep 2025 14:36:04 +0000

Hi there,

I'm having trouble with the width of swimlanes and the horizontal positioning / vertical alignment of boxes therein. The activities should be vertically aligned and no space should be wasted. How could this be achieved?

Thanks for any hint.

@startuml
|P1|
|P2|
|P3|
|P4|
|P5|
|P1|
start
:Do1;
|P2|
:Do2-is-something-really-long;
|P5|
if (Cond1?) then (ok)
|P2|
:Do3-is-longer;
|P1|
:Do4;
floating note right
Comm1
end note
|P5|
:Do5-is-longer-too;
|P1|
:Do6;
:Do7;
fork
|P2|
:Do8-is-something;
:Do9-is-another-thing;
fork again
|P3|
:Do10;
:Do11;
fork again
|P5|
:Do12-leads-to-more-and-more-width;
end fork
|P4|
:Do13;
|P5|
:Do14;
else (not ok)
stop
endif
stop
@enduml

java.lang.IllegalArgumentException on generating diagram in IntelliJ IDE

Fri, 05 Sep 2025 16:07:25 +0000

I have a C4 plantUML diagram that works fine with plantUML.com but when trying to generate using IntelliJ plug-in it gives error: "java.lang.IllegalArgumentException "

@startuml
!include <C4/C4_Container>
!define DEVICONS https://raw.githubusercontent.com/tupadr3/plantuml-icon-font-sprites/master/devicons
!include DEVICONS/database.puml
!include DEVICONS/apple.puml
!include DEVICONS/android.puml

skinparam diagramBorderColor black
skinparam diagramBorderThickness 3

<style>
document {
 Margin 10
}
</style>
AddElementTag("dataStore", $bgColor="white", $fontColor="black", $legendText="Data Store")
AddPersonTag("userColor", $bgColor="#B3E4FC", $fontColor="#036FA5")
AddPersonTag("adminColor", $bgColor="#FCD9B3", $fontColor="#A55C03")
AddBoundaryTag("paypalBoundaryColor", $bgColor="#E3F4FF", $borderColor="#ADD8E6", $legendText="PayPal Boundary")
AddBoundaryTag("aprilBoundaryColor", $bgColor="#F3E3FF", $borderColor="#D8B6FF", $legendText="April Boundary")

Person(user, "PayPal User", "End user accessing the tax flow", $tags="userColor")

System_Boundary(paypalBoundary, "PayPal Systems", $tags="paypalBoundaryColor") {
 Person(admin, "PayPal Admin (CS Agent)", "Customer support/admin", $tags="adminColor")
 Container(paypalApp, "PayPal\nApp / Web", "Frontend")
 Container(graphQL, "CFS GraphQL Service", "")
 Container(TaxOrch, "Tax Orchestration Service", "Raptor Service")
 Container(CFSOrch, "CFS Orchestration Service", "Raptor Service")
 Container(alpService, "ALP Platform", "Product Subscription")
 Container(commService, "Communication Platform", "Notification Service")
 Container(taxService, "TAX/Reporting Platform", "Tax Service")
 ContainerDb(paypalSOR, "PayPal SOR", "CFSYS", "Oracle", $sprite="database", $tags="dataStore")
 Container(paypalRPS, "RPS Platform", "RPS")
 Container(paypalMarketing, "Marketing Email Platform", "PayPal")
 Container(paypalWebhookListener, "Webhook Listener", "Raptor Service")
 ContainerDb(paypalMessageQueue, "Message Queue", "QUEUE", $sprite="database", $tags="dataStore")
 Container(paypalMessageSubscriber, "Message Subscriber", "Raptor Service")
}

System_Boundary(aprilBoundary, "April Systems", $tags="aprilBoundaryColor") {
 Container(aprilAPI, "April API", "REST API")
 Container(aprilWebhook, "April Webhook Service", "Webhook Publisher")
}

Lay_R(user, paypalApp)
Lay_R(CFSOrch, alpService)
Lay_R(alpService, taxService)
Lay_R(taxService, paypalSOR )

Rel(admin, TaxOrch, "Reads the customer tax current status")
Rel(user, paypalApp, "Login to PayPal")
BiRel(paypalApp, graphQL, "Check for DD Account & load April iFrame")
BiRel(graphQL, TaxOrch, "Check Production Subscription & Call April API to get access token")
Rel(TaxOrch, CFSOrch, "Check if customer has Direct Deposit Account")
Rel(TaxOrch, alpService, "Check and Subscribe user to Embedded Tax Filing Product")
Rel(TaxOrch, aprilAPI, "April API Calls")
BiRel(TaxOrch, paypalSOR, "Fetch & update current status")
Rel(TaxOrch, paypalRPS, "Update RPS attribtues based on estimator/filing statuses")
Rel(TaxOrch, taxService, "Fetch the 1099K/INT tax documents")
Rel(paypalMarketing, paypalRPS, "Fetch estimator/filing segments to send marketing emails")
Rel(paypalMarketing, commService, "Send push notifications")
Rel(aprilWebhook, paypalWebhookListener, "April sends webhook events for status change")
Rel(paypalWebhookListener, paypalMessageQueue, "Queue the webhook received for Async processing")
Rel(paypalMessageQueue, paypalMessageSubscriber, "De-Queue the webhook event for processing")
Rel(paypalMessageSubscriber, TaxOrch, "Process webhook event")
BiRel(aprilWebhook, aprilAPI, "")
SHOW_LEGEND()
@enduml
"

Other durations than days in Gantt

Fri, 29 Aug 2025 05:55:38 +0000

As topic, are there more options for duration definitions for Gantt diagrams?

It feels undynamic to specify all tasks to start at 1st of each month when they relate to another.

PlantUML AddIn for Word 365

Thu, 28 Aug 2025 07:07:34 +0000

I am trying to install PlantUML Word AddIn for Office 365 Word in Windows 11, but the Word does not open the PlantUML_Template_v35.dotm, which is meant for Word 2016 version.

Is it compatible with Office 365 Word? Is there some Word setting which I need to update.

I get this error message when opening Word: "Word cannot open this document template. (C:\Users\...\PlantUML_Template_v25.dotm)"

Force component port position

Fri, 01 Aug 2025 01:03:17 +0000

have a port like:

component DMA_in {

portout in0

portout in1

portout in2

portout in3

}

On its own it displays ok, but when wiring it with other components it sometimes renders the ports in different order, such as

in2

in1

in0

in3

is there a way to tell it to render the ports at a fixed position?

Move package tab to the right

Thu, 24 Jul 2025 14:36:07 +0000

I have a component diagram rendered where lines go through the upper left text of the package. If the text tab would be on the right, the text would not be cut through by lines.

Is there a way to accomplish the package tab being on the right? I could not find such a thing with native styling, but maybe it can be done by modifying some underlying rendering code or introducing ones own component?

how to change group header background color

Tue, 15 Jul 2025 09:28:23 +0000

wireshark's pcap to planuml visualizer (pcap2uml)

Sat, 12 Jul 2025 10:44:31 +0000

Hi!

I have create tool to visualise protocols conversations like SIP, Diameter, GTP, CAMEL, etc. in pcap using PlantUML sequence diagrams. And optionally integration with Wireshark. Tool can be found in GitHub: https://github.com/dgudtsov/pcap2uml

May I ask to include link to this tool into running page? - https://plantuml.com/en/running

Found some Unix installation scripts

Tue, 01 Jul 2025 16:12:09 +0000

related to How to install new version on Unix, #398 · plantuml-stdlib/C4-PlantUML

SomeFrenchGuy found simple unix installation scripts. Maybe you want to update your current description with the link to metanorma/plantuml-install: Installation script for PlantUML

BR Helmut

Does PlantUML support UML Diagram Interchange specification?

Thu, 26 Jun 2025 20:15:20 +0000

The goal of this specification is to enable a smooth and seamless exchange of documents compliant to the UML standard (in the following referred to as UML models) between different software tools. About the UML Diagram Interchange Specification Version 1.0

PlantUML Java: Accessing Detailed Syntax Errors

Fri, 20 Jun 2025 12:47:34 +0000

Hello,

I use PlantUML Library 1.2025.3, as described in https://plantuml.com/api

Example code:
SourceStringReader reader = new SourceStringReader(source);
String desc = reader.outputImage(png).getDescription();

If the source contains a syntax error, I only get "(error)" as the description.
How can I retrieve the specific syntax error message (such as the line number and details), instead of just "(error)"?

JSON block fails in VSCode extension preview

Fri, 20 Jun 2025 10:39:58 +0000

This diagram fails to render in the VSCode extension (v2.18.1) preview, but exports ok with the same server.

Server: Docker (0967a1317791 - Jetty)
Tomcat also fails but doesn't give error info (Jetty call stack available if needed).

Diagram:
@startuml

json "jsonBlock" {

"a": "b"

}

@enduml

Dedicated Description Block for PlantUML Diagrams

Mon, 16 Jun 2025 21:26:23 +0000

Dear PlantUML Team,

I would like to request a new feature that allows users to add a dedicated diagram description block at the top of a diagram, aligned to the left, without a border. This would serve as a clean, unobtrusive summary, improving readability and enhancing diagram documentation.

Why is this needed?

Currently, existing elements do not fully address this requirement:

Headers are unsuitable when the title is displayed below, causing layout inconsistencies.
Legends can be placed below the title, but they do not support multiple legends, making structured annotations challenging.
Adding a new dedicated description block would provide a clear, well-positioned summary below the title while maintaining proper alignment and readability.

Suggested Implementation:

The description block should be positioned below the title.
It should align left, providing a structured introductory section.
No visible border, ensuring it blends naturally with the diagram.
Should not interfere with other diagram elements, maintaining logical spacing and order.

Previous Attempts to Solve the Issue:

I have already explored possible solutions and shared suggestions in the following discussions:
https://forum.plantuml.net/20086/add-a-borderless-text-box-for-diagram-description
https://forum.plantuml.net/20085/how-to-add-a-diagram-description-at-the-top-without-a-border

However, these approaches do not fully satisfy the desired layout, as they either impact placement or introduce unwanted formatting constraints.

Conclusion:

Adding a dedicated description block would significantly improve diagram documentation by providing a structured, non-intrusive way to convey important context. This enhancement would be highly beneficial for users who require clear explanations without affecting existing diagram elements.

I appreciate your time and consideration, and I hope this feature can be incorporated into a future update. Looking forward to your thoughts on this!

Best regards,
Omar

Example applying suggested approach, which is not suitable:

@startuml
skinparam maxMessageSize 40

title
Notebook Selection using wxQueueEvent
AddNoteBook_OnClickTreControl_Event
end title

left header
This diagram illustrates the use of wxQueueEvent for creating a new notebook when the user double-clicks an item in the tree control.
It emphasizes asynchronous communication between the Tree Control and Notebook using event handling mechanisms.
endheader

actor Actor
participant wxApp
participant mTreeCtrlPtr as TreeCtrl_ElmFiles
participant mNotebookPtr as AuiNotebook

Actor -> wxApp : Tab Click/Selection
wxApp -> AuiNotebook : EVT_AUINOTEBOOK_PAGE_CHANGED
AuiNotebook -> AuiNotebook: OnPageChanged(event)
activate AuiNotebook
AuiNotebook -> AuiNotebook: selectedIndex = event->GetSelection()

opt selectedIndex != -1
AuiNotebook -> AuiNotebook: selectedPage = GetPage(selectedIndex)
opt selectedPage != nullptr
AuiNotebook -> AuiNotebook: customEventPtr = new EvNotebook2TreeControl(EVT_CUSTOM_NOTEBOOK_CHANGED, GetId())
opt customEventPtr != nullptr
AuiNotebook -> AuiNotebook: customEventPtr.SetTreeItemId(selectedPage.GetTreeItemId())
AuiNotebook -[#blue]> TreeCtrl_ElmFiles: wxQueueEvent(mTreeCtrlPtr, customEventPtr)
deactivate AuiNotebook
activate TreeCtrl_ElmFiles
note over AuiNotebook, TreeCtrl_ElmFiles: QueueEvent posts the event\nasynchronously to the tree control
TreeCtrl_ElmFiles -> TreeCtrl_ElmFiles: OnCustomEvent_NotebookChanged(event)
note right of TreeCtrl_ElmFiles: Retrieve tree item ID from the event
TreeCtrl_ElmFiles -> TreeCtrl_ElmFiles: itemId = event->GetTreeItemId()
opt itemId.IsOk() == true
TreeCtrl_ElmFiles -> TreeCtrl_ElmFiles: SelectItem(itemId, true)
end
deactivate TreeCtrl_ElmFiles
end
end
end
@enduml

http://www.plantuml.com/plantuml/png/bLHHRzis47xdhxXXBpOGErqtx268ZRgkcnf3ucnnzx8D0YsT9S8KAP0d9-cm_xwZQBLIPHJDWmr9_Exxlljuv1jFqb5TQk4FobJIoH9A-NIBtiiS7zGdX5zU2K6AD8hhlJK4gTNMpHncypjBkBFs00-eCILb3THUcHmUdtwliSRL4GrTNuQg-Q1uaMMX_YtN9nkpr2ezR1qk6UIiJdgbQ3A83eIuzlIiSIuAb1aw-5Tyi4vzOfZK2wroKt8TQDoJUCyVcmPU_zeyBuCqxBHC3-9MkbmP-FcL-4zSNvueHIY3I2osXVAGAPc7H9JMjISd2JrGWTmbWjttseGzawSE9OK091Xy1DFcyrYWQGiTPBRUQPoaeMKFqe0YP8s888S8QKnX2c9DW6LLIC-DCDO_cxHmrjZQCwWiQwDIsGI_Gth4ayesS9oIPFuCseqwRGysXWjUqU6rn9IVbI_zD4Hz2a08cHBtj0Z_WYU3LAegQOZRNbHLxqiP59Vaz3qvDWdjQxBIvNkbqVVHhPqJUb6hzeiGZHnCvb45hc0hTz1Cn-NdAHDnZK6TKeQk_jmcYu_hkyrszNQp-IsvNzoiakM7nTtDwfteGlkLLx0nzpB79QUGOpPguXc7zjLH4lP4ladZ6uEOhKs6Jp2BEK_cDqYVhO_6GjYAleB-C8F9JmBWUyY3K-Pcql0qwX6DcOFP-rWcDxNM5JbU_RP6MdkoPJFFOMzcpHIlZYtWTRElSQv68UpbnuVjvZPf0s-plWZkrjbe7Fn4HttclgUNkPe-80KVQyAIDRgjJczwIq5-IFxNZpjTup_puP1UGVUE2gXvxuYFkcD-yPMjLYl3ytCJLzkreVW9OBW0x15Tj_hYdDVErLDPJ_5Yml3-j-dU4_ePo0wkbYWtv8N9sM3uWlxIRTBwwX-ORWTEvGM1tP_Z-WF9AJn6F_7kMx-3lRFbbnPUQ4yr6zuvSVqvOBPs3YDoklQRmsWCincRg97NNwONZtEW7qN2YuQd5KAJ3QTXkECjDFw7tnl-gqlzFm00

How can I control layouting to get a better visibility on big UML class diagrams?

Tue, 20 May 2025 14:55:47 +0000

I created a class diagram and the classes are layed out in a way so that the connections (inheritance, associations) cannot be followed anymore. Do I have any change to influence the layouting process? I already used "together", but that's a tedious task and does not give good results either.

https://snipboard.io/JX8QOj.jpg

Timing diagram No Error with bad message

Mon, 12 May 2025 12:00:29 +0000

To reproduce my problem I create an error im my puml file.

There is no error message with online editor. But the diagram is missing a message

With Pico Web, there is an error 503

Change directory in GUI - corrupt path "cached"?

Thu, 08 May 2025 15:42:38 +0000

Hi,

Looks like I somewhen passed a wrong path the the gui - apparantely with a trailing space (?). Now.. I can pass a new folder per CLI argument, this works fine, loads the files and all, but each time I try to "Change Directory" from the UI I am getting:

Opening Directory Window
Exception in thread "AWT-EventQueue-0" java.nio.file.InvalidPathException: Trailing char < > at index 56: e:\Projects\....<old corrupted path I want removed> at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:191) ... at java.desktop/sun.awt.shell.ShellFolder.getShellFolder(ShellFolder.java:262) ... at java.desktop/javax.swing.JFileChooser.setCurrentDirectory(JFileChooser.java:610) at net.sourceforge.plantuml.swing.MainWindow.displayDialogChangeDir(MainWindow.java:296)

So obviously the file extensions and the folder are cached / persisted somewhere... but WHERE? :)

This is on windows, java 18, plantuml-1.2025.2, staring with

java  -DPLANTUML_LIMIT_SIZE=8192 -jar plantuml.jar -gui <folder

Thanks in advance and cheers,

Class diagram is not displayed with "groupInheritance 2"

Wed, 07 May 2025 00:22:05 +0000

Hi,

I just try to draw complex classdiagram but with groupInheritance 2 option it display errormessage which is IllegalStateException

It is ok with groupInheritance 1 or 3.

Please help me figure out this.

To reproduce this issue please refer below url.

https://editor.plantuml.com/uml/nLl9SkCs4BshIl_0t3Cyv0DIupLHQZobs4ubLuXiKnoH00i0DNPI-VU056bnmmuv5qi5eLzZw-xN3VWpuuZokYpMgnygYh8IHJM33UP0IqXpn66BaWFAW4Klg62mNh53ZYj4KHbbbDJL1k-1vXpX1AAVrglrAYaGOr52ofW3u_4tbDM8nYKm9b3YXzFdDI3yAw0KQ1JzirxzsmZAHDESLOWdGatClkVYouuWciRt29EQFxKjrqsBCzAZmCbnzens1NJZQvg6O_D6YkEVLSFfEj--jrn8vS8so9SBZe1vVDVyVQWBdYU8DRZmoW6dojNzlOPQ3Eey7Ub2IdGiZNtGTJpcRuVuS3YypoqX-0XKe3IjjoIfomRyzEDD_ripyoZAowg0vkT5e4T883_sg_g5P9cOqt0Ypee_VVBSci5QmoiaDISqVjvJOL5ReC-87Uwwrg5Hv8rLlo1XgAQJNJQfYUJy67VIMmfRIXBHHiQdnXoWbrQikfdw_a2Pp3gy6c6YHJmv4N-8DkQXgZz3BeVGw63DV59OorTgMZAGaVrReSczITVN1zHkgxt6lEWYBe5w2iswoD09F5F141IdOx1lLocgED55WmckwUxD1jjiIm4PIjxYdPZK-mH9-gRW2WEfTYy5rs5YBH_5tE3l8wdP0yksRPiLuJXlmbTKmY-0WQA9VqOxniMSUQG5QyNpPB2n9cOsbzAm4YNT2glgFOhrWUjUB0IXRzepRgsfxpaWJFFWA94L8PRKsRwg-LV2yvTSUGQ6Nc6uah-HdN34d99YpDSClEiGfhMbS-pgG6R7m7OKezMJM518-5vOV0-CRiMhPYxyF9xMUoyOc5R4OodDyAQzRqXP8fnsuKP1sQH1Ab8nBRcKAXR-LHOB0tgVmtT2XPEFhzWRJgOqnSGaEll_iuKneQjpMkIK1_neSCuKQxam2iEae8_DPg112Aa2r_0i-WzMSunKwWrjToGosWn5xwUwgWXTOXzsCSueW2i1J0FiRKuXuJs25NSPX4pdOaktRbl4XO5Zjz1tciAmz6DPfraSH9ZWyJ_CrKgznIpbb2WX5EARFS8OYYOGYpbrXY2lDqXI0ZS2F4yppKF5GcvgcZf8FCbIpva3aMGY1b0o7j6weh7pzYsBAUE_6OB4YSz5mkjGH3N5mYmJIs4yWXDmI3UfiYhi2-QtNCxgxEhGbz1gxrhFV7Z6s2o8c0hMWO8Pmzab00CKapJYv4cqjGo3Z4RQNUc5v4KINtZ5MdbXILPCbs1eQS_SaJsrPrNjQPqGl2zuHlImea94CClsSruvD8YlSo4ZJgjHhF5OCoOGNfjx1M6S91ZMYbxoejbquLWtQLSdp0c-RrirgOnIrACSuOsxm7JSiFLffeS2ep9xQ6XThNsOXq6pj7nCVDNysVwgpV6kxQDkm4pqA6e5sijqd3wINOuLZCy39unt6N7aQLIG51Fiv4FUJ-jhrfOPiVp5W-KkBOycqBE9hkianpNegttwO81Xl7-Eux5nOzE8SFSgVDG6ln2h4jA8XNNEe7sbb435frxB4SFdqbc77U0AsaL5OEVYurXy-8Sby3o92ZfWJTr5idt36uvGRofiYixZkgzp_NPUZxHrktC4fvDhL9Fm2ZJw6rQ7CLoYtXCWWAbeb4M9Tk6jXydJlxwlmRC_UL5vOOxw97lOEJnXlqhB77_00wgf7fz8DiKA4BbC85tfvHbMx4l1zpTxI0w6b5qcgoavB7loIsZw42MwceZHDZo53sxMsjmU_bX5loy4fTUeQ5wxftufeXpfOa_5xLGwLhswWimrOf3U80uPeMzNwJ6VbHRinKCKW-oK-FgcKxq69CKLOocBCQrNduN5jV_FyHy0

Thanks~!

Every time I login on PlantUML Q&A I have to reset my password

Sun, 04 May 2025 15:32:06 +0000

Hello,

When logging on PlantUML Q&A, every time my password never works and I have to reset it every time, and a new password is send by mail. I tried to keep the assigned password and changing it after login but every time I login I have to reset my password here. Anyone with the same issue?

gantt: Cannot color calendar days over weekdays

Sun, 04 May 2025 08:57:21 +0000

I want to color weekends without "closing" them, so I do:

' WEEKENDS

saturday are colored in LightGrey

sunday are colored in LightGrey

But if that weekend day is a holiday (e.g. pentecost 2025 in Germany), I want to overpaint it

' HOLIDAYS

2025-06-08 to 2025-06-09 are colored Lavender

Current behaviour:

Desired behaviour:

Would it be possible to fix that?

Trying to find the Hybrid E-R diagram notation

Fri, 02 May 2025 16:45:51 +0000

Is there any way to have enhanced E-R diagram that implements (crow's foot) notation. I want the attribute to be in the entity class like the crow's foot, but with the lines of enhanced erd, (ex: <-, =, -)

svg does not include whole puml title</h1> Wed, 30 Apr 2025 06:48:19 +0000 in this example: @startuml title line 1\nline2 Bob -> Alice : hello @enduml only line 1 will get into svg title: <title>line 1</title> Please have a look: <a href="https://www.plantuml.com/plantuml/svg/SoWkIImgAStDuU8goIp9ILN8oSnBLJ2CoGFHHbnSJlb92hfs2euvcScf2bOA6QavEVbS3gbvAK0j0000" rel="nofollow">https://www.plantuml.com/plantuml/svg/SoWkIImgAStDuU8goIp9ILN8oSnBLJ2CoGFHHbnSJlb92hfs2euvcScf2bOA6QavEVbS3gbvAK0j0000</a> Should be: <title>line 1 line 2</title> </article> <article> <h1>how to extract PUML code from SVG file</h1> Fri, 25 Apr 2025 14:33:11 +0000 Hi,I follow the <a rel="nofollow" href="https://plantuml.com/server#metadata">official instruction</a> I use the official <a rel="nofollow" href="http://Hello world">Hello world</a> example provided in the wikiI save the hello world diagram in both PNG and SVG formats: HelloWorld.png HelloWorld.svg both files open successfully and show the same diagram as a picture.Now, let's do the reverse process convert image to code. test 1: PNGjava -jar plantuml.jar -metadata HelloWorld.png > HelloWorld_png.pumlthe output is correct, I see the code in file HelloWorld_png.puml:------------------------ HelloWorld.png@startuml start :Hello world; stop @endumlPlantUML version 1.2025.3beta5(Unknown compile time) (GPL source distribution) Java Runtime: OpenJDK Runtime Environment JVM: OpenJDK 64-Bit Server VM Default Encoding: UTF-8 Language: en Country: US------------------------test 2: SVGjava -jar plantuml.jar -metadata HelloWorld.svg > HelloWorld_svg.pumlThe output is wrong, I see the code in file HelloWorld_svg.puml:------------------------ HelloWorld.svg------------------------However, I see the PUML code in the command line:<div>C:\testPUML>java -jar plantuml.jar -metadata HelloWorld.svg > HelloWorld_svg.puml@startuml start :Hello world; stop @endumlC:\testPUML>strangely, the command line doesn't show the code when the input file is PNG.This is very inconvenient.I know the old version of plantUML.jar (4 years ago) works but I don't have it anymore. Is it possible to download the 4-year old file from somewhere safe? I can share my 2 image files if that helps. Of have I misread the user guide?</div> </article> <article> <h1>Break inside a group does not generate an arrow to the end of the repeat if the repeat is not in this group.</h1> Thu, 24 Apr 2025 14:45:23 +0000 I have this activity diagram: ``` @startuml start repeat :Test A; if (Something went wrong?) then (no) #palegreen:OK; break endif ->NOK; :Test B; if (Something went wrong?) then (no) #palegreen:OK; break endif :Test C; repeat while (Something went wrong?) not (no) ->//merged step//; :Alert "Success"; stop @enduml ``` I would like to group the some of the activity together like in the following but then the break does not link to the end of the group any more. ``` @startuml start repeat group testing A :Test A; if (Something went wrong?) then (no) #palegreen:OK; break endif endgroup ->NOK; group testing B :Test B; if (Something went wrong?) then (no) #palegreen:OK; break endif endgroup :Test C; repeat while (Something went wrong?) not (no) ->//merged step//; :Alert "Success"; stop @enduml ``` </article> </main></body></html>