GitHub user ottlukas edited a discussion: Building PLC4X-Extra - Failing log
java -version
```
openjdk version "21.0.8" 2025-07-15
OpenJDK Runtime Environment (build 21.0.8+9-Ubuntu-0ubuntu124.04.1)
OpenJDK 64-Bit Server VM (build 21.0.8+9-Ubuntu-0ubuntu124.04.1, mixed mode,
sharing)
Current outputlog when trying to build PLC4J - Extra
```
```
[INFO] Reactor Summary for PLC4X-Extras 0.13.0:
[INFO]
[INFO] PLC4X-Extras ....................................... SUCCESS [ 4.485 s]
[INFO] PLC4C-Extras ....................................... SUCCESS [ 3.794 s]
[INFO] PLC4J-Extras ....................................... SUCCESS [ 0.960 s]
[INFO] PLC4J: Examples .................................... SUCCESS [ 6.464 s]
[INFO] PLC4J: Examples: Hello-ADS telemetry ............... FAILURE [ 0.519 s]
[INFO] PLC4J: Examples: Cloud: Azure IoT Hub .............. SKIPPED
[INFO] PLC4J: Examples: Cloud: Google Cloud IoT Core ...... SKIPPED
[INFO] PLC4J: Examples: Hello Discovery ................... SKIPPED
[INFO] PLC4J: Examples: Connectivity: MQTT ................ SKIPPED
[INFO] PLC4J: Examples: IoTDB ............................. SKIPPED
[INFO] PLC4J: Examples: Hello-Nats ........................ SKIPPED
[INFO] PLC4J: Examples: Hello OPM ......................... SKIPPED
[INFO] PLC4J: Examples: Hello-Webservice .................. SKIPPED
[INFO] PLC4J: Examples: Hello-World: Kotlin ............... SKIPPED
[INFO] PLC4J: Examples: Hello-World PLC4X (Discover And Browse) SKIPPED
[INFO] PLC4J: Examples: Hello-World PLC4X (Read) .......... SKIPPED
[INFO] PLC4J: Examples: Hello-World PLC4X (Subscribe) ..... SKIPPED
[INFO] PLC4J: Examples: Hello-World PLC4X (Write) ......... SKIPPED
[INFO] PLC4J: Examples: Poll Loop Example ................. SKIPPED
[INFO] PLC4J: Examples: S7Event example ................... SKIPPED
[INFO] PLC4J: Examples: Hello InfluxDB Data Collection .... SKIPPED
[INFO] PLC4J: Integrations ................................ SKIPPED
[INFO] PLC4J: Integrations: Apache Calcite ................ SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi ................... SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi 1 ................. SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi 1: Processors ..... SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi 1: NAR ............ SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi 2 ................. SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi 2: Processors ..... SKIPPED
[INFO] PLC4J: Integrations: Apache Nifi 2: NAR ............ SKIPPED
[INFO] PLC4J: Integrations: Apache Kafka .................. SKIPPED
[INFO] PLC4J: Tools ....................................... SKIPPED
[INFO] PLC4J: Tools: Plc4x Server ......................... SKIPPED
[INFO] PLC4J: Tools: OPC-UA Server ........................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 19.619 s
[INFO] Finished at: 2025-08-07T07:48:21+02:00
[INFO] ------------------------------------------------------------------------
[DEBUG] State transition from 'API_LOCKED' to 'CLOSED' for Develocity Maven
extension version '2.1'.
[DEBUG] Setting Maven session to null.
[DEBUG] Transitioning to 'EXECUTION_FINISHED'.
[INFO] 45 goals, 45 executed
[DEBUG] Transitioning to 'CLOSED'.
[DEBUG] File lock listener thread completed.
[DEBUG] Releasing file lock for Build cache
(/home/luk/.m2/.develocity/build-cache/v1)
[DEBUG] Releasing lock on Build cache
(/home/luk/.m2/.develocity/build-cache/v1).
[DEBUG] Build cache (/home/luk/.m2/.develocity/build-cache/v1) has last been
fully cleaned up 0 hours ago
[DEBUG] Skipping cleanup for Build cache
(/home/luk/.m2/.develocity/build-cache/v1) as it is not yet due
[DEBUG] State transition from 'CLOSED' to 'CLOSED' for Develocity Maven
extension version '2.1'.
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.14.0:compile (default-compile)
on project plc4j-examples-hello-ads-telemetry: Fatal error compiling: Fehler:
Releaseversion 11 nicht unterstützt -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.14.0:compile (default-compile)
on project plc4j-examples-hello-ads-telemetry: Fatal error compiling
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:333)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
Caused by: org.apache.maven.plugin.MojoExecutionException: Fatal error compiling
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute
(AbstractCompilerMojo.java:1229)
at org.apache.maven.plugin.compiler.CompilerMojo.execute
(CompilerMojo.java:225)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at com.gradle.maven.cache.extension.c.n.a (SourceFile:53)
at com.gradle.maven.cache.extension.c.d.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.q.a (SourceFile:23)
at com.gradle.maven.cache.extension.c.j.a (SourceFile:28)
at com.gradle.maven.cache.extension.c.p.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.b.c (SourceFile:118)
at com.gradle.maven.cache.extension.c.b.a (SourceFile:62)
at com.gradle.maven.cache.extension.c.g.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.a.a (SourceFile:46)
at com.gradle.maven.cache.extension.c.o.a (SourceFile:18)
at com.gradle.maven.cache.extension.c.a.a (SourceFile:46)
at com.gradle.maven.cache.extension.c.c.a (SourceFile:26)
at com.gradle.maven.cache.extension.c.h$1.run (SourceFile:35)
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute
(SourceFile:29)
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute
(SourceFile:26)
at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute
(SourceFile:66)
at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute
(SourceFile:59)
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute
(SourceFile:166)
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute
(SourceFile:59)
at org.gradle.internal.operations.DefaultBuildOperationRunner.run
(SourceFile:47)
at com.gradle.maven.cache.extension.c.h.a (SourceFile:31)
at com.gradle.maven.cache.extension.c.m.a (SourceFile:80)
at com.gradle.maven.cache.extension.g.b.lambda$createProxy$0 (SourceFile:76)
at jdk.proxy13.$Proxy92.execute (Unknown Source)
at com.gradle.maven.scan.extension.internal.d.b.executeMojo (SourceFile:116)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:328)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
Caused by: org.codehaus.plexus.compiler.CompilerException: Fehler:
Releaseversion 11 nicht unterstützt
at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess
(JavaxToolsCompiler.java:179)
at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile
(JavacCompiler.java:214)
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute
(AbstractCompilerMojo.java:1226)
at org.apache.maven.plugin.compiler.CompilerMojo.execute
(CompilerMojo.java:225)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at com.gradle.maven.cache.extension.c.n.a (SourceFile:53)
at com.gradle.maven.cache.extension.c.d.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.q.a (SourceFile:23)
at com.gradle.maven.cache.extension.c.j.a (SourceFile:28)
at com.gradle.maven.cache.extension.c.p.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.b.c (SourceFile:118)
at com.gradle.maven.cache.extension.c.b.a (SourceFile:62)
at com.gradle.maven.cache.extension.c.g.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.a.a (SourceFile:46)
at com.gradle.maven.cache.extension.c.o.a (SourceFile:18)
at com.gradle.maven.cache.extension.c.a.a (SourceFile:46)
at com.gradle.maven.cache.extension.c.c.a (SourceFile:26)
at com.gradle.maven.cache.extension.c.h$1.run (SourceFile:35)
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute
(SourceFile:29)
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute
(SourceFile:26)
at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute
(SourceFile:66)
at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute
(SourceFile:59)
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute
(SourceFile:166)
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute
(SourceFile:59)
at org.gradle.internal.operations.DefaultBuildOperationRunner.run
(SourceFile:47)
at com.gradle.maven.cache.extension.c.h.a (SourceFile:31)
at com.gradle.maven.cache.extension.c.m.a (SourceFile:80)
at com.gradle.maven.cache.extension.g.b.lambda$createProxy$0 (SourceFile:76)
at jdk.proxy13.$Proxy92.execute (Unknown Source)
at com.gradle.maven.scan.extension.internal.d.b.executeMojo (SourceFile:116)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:328)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
Caused by: java.lang.IllegalArgumentException: Fehler: Releaseversion 11 nicht
unterstützt
at com.sun.tools.javac.main.Arguments.reportDiag (Arguments.java:886)
at com.sun.tools.javac.main.Arguments.handleReleaseOptions
(Arguments.java:312)
at com.sun.tools.javac.main.Arguments.processArgs (Arguments.java:351)
at com.sun.tools.javac.main.Arguments.init (Arguments.java:247)
at com.sun.tools.javac.api.JavacTool.getTask (JavacTool.java:191)
at com.sun.tools.javac.api.JavacTool.getTask (JavacTool.java:119)
at com.sun.tools.javac.api.JavacTool.getTask (JavacTool.java:68)
at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess
(JavaxToolsCompiler.java:125)
at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile
(JavacCompiler.java:214)
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute
(AbstractCompilerMojo.java:1226)
at org.apache.maven.plugin.compiler.CompilerMojo.execute
(CompilerMojo.java:225)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at com.gradle.maven.cache.extension.c.n.a (SourceFile:53)
at com.gradle.maven.cache.extension.c.d.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.q.a (SourceFile:23)
at com.gradle.maven.cache.extension.c.j.a (SourceFile:28)
at com.gradle.maven.cache.extension.c.p.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.b.c (SourceFile:118)
at com.gradle.maven.cache.extension.c.b.a (SourceFile:62)
at com.gradle.maven.cache.extension.c.g.a (SourceFile:27)
at com.gradle.maven.cache.extension.c.a.a (SourceFile:46)
at com.gradle.maven.cache.extension.c.o.a (SourceFile:18)
at com.gradle.maven.cache.extension.c.a.a (SourceFile:46)
at com.gradle.maven.cache.extension.c.c.a (SourceFile:26)
at com.gradle.maven.cache.extension.c.h$1.run (SourceFile:35)
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute
(SourceFile:29)
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute
(SourceFile:26)
at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute
(SourceFile:66)
at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute
(SourceFile:59)
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute
(SourceFile:166)
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute
(SourceFile:59)
at org.gradle.internal.operations.DefaultBuildOperationRunner.run
(SourceFile:47)
at com.gradle.maven.cache.extension.c.h.a (SourceFile:31)
at com.gradle.maven.cache.extension.c.m.a (SourceFile:80)
at com.gradle.maven.cache.extension.g.b.lambda$createProxy$0 (SourceFile:76)
at jdk.proxy13.$Proxy92.execute (Unknown Source)
at com.gradle.maven.scan.extension.internal.d.b.executeMojo (SourceFile:116)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:328)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <args> -rf :plc4j-examples-hello-ads-telemetry
```
GitHub link: https://github.com/apache/plc4x/discussions/2206
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