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[Build] Java compiling can fail with NullPointerException and mask a compilation issue

See original GitHub issue

Describe the bug

Error message Fatal error compiling: CompilerException: NullPointerException when running mvn clean install -DskipTests.

This is a problem that happened:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile (default-testCompile) on project pulsar-broker: Fatal error compiling: CompilerException: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile (default-testCompile) on project pulsar-broker: Fatal error compiling
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:215)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:196)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:186)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
    at java.lang.Thread.run (Thread.java:829)
Caused by: org.apache.maven.plugin.MojoExecutionException: Fatal error compiling
    at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute (AbstractCompilerMojo.java:1145)
    at org.apache.maven.plugin.compiler.TestCompilerMojo.execute (TestCompilerMojo.java:180)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:196)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:186)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
    at java.lang.Thread.run (Thread.java:829)
Caused by: org.codehaus.plexus.compiler.CompilerException
    at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess (JavaxToolsCompiler.java:173)
    at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile (JavacCompiler.java:174)
    at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute (AbstractCompilerMojo.java:1134)
    at org.apache.maven.plugin.compiler.TestCompilerMojo.execute (TestCompilerMojo.java:180)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:196)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:186)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
    at java.lang.Thread.run (Thread.java:829)
Caused by: java.lang.NullPointerException
    at com.sun.tools.javac.main.JavaCompiler.readSourceFile (JavaCompiler.java:841)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment$ImplicitCompleter.complete (JavacProcessingEnvironment.java:1535)
    at com.sun.tools.javac.code.Symbol.complete (Symbol.java:642)
    at com.sun.tools.javac.code.Symbol$ClassSymbol.complete (Symbol.java:1326)
    at com.sun.tools.javac.code.Type$ClassType.complete (Type.java:1140)
    at com.sun.tools.javac.code.Type$ClassType.getTypeArguments (Type.java:1066)
    at com.sun.tools.javac.code.Printer.visitClassType (Printer.java:237)
    at com.sun.tools.javac.code.Printer.visitClassType (Printer.java:52)
    at com.sun.tools.javac.code.Type$ClassType.accept (Type.java:993)
    at com.sun.tools.javac.code.Printer.visit (Printer.java:136)
    at com.sun.tools.javac.util.AbstractDiagnosticFormatter.formatArgument (AbstractDiagnosticFormatter.java:199)
    at com.sun.tools.javac.util.AbstractDiagnosticFormatter.formatArguments (AbstractDiagnosticFormatter.java:167)
    at com.sun.tools.javac.util.BasicDiagnosticFormatter.formatMessage (BasicDiagnosticFormatter.java:111)
    at com.sun.tools.javac.util.BasicDiagnosticFormatter.formatMessage (BasicDiagnosticFormatter.java:67)
    at com.sun.tools.javac.util.AbstractDiagnosticFormatter.formatArgument (AbstractDiagnosticFormatter.java:185)
    at com.sun.tools.javac.util.AbstractDiagnosticFormatter.formatArguments (AbstractDiagnosticFormatter.java:167)
    at com.sun.tools.javac.util.BasicDiagnosticFormatter.formatMessage (BasicDiagnosticFormatter.java:111)
    at com.sun.tools.javac.util.BasicDiagnosticFormatter.formatMessage (BasicDiagnosticFormatter.java:67)
    at com.sun.tools.javac.util.JCDiagnostic.getMessage (JCDiagnostic.java:788)
    at com.sun.tools.javac.api.ClientCodeWrapper$DiagnosticSourceUnwrapper.getMessage (ClientCodeWrapper.java:799)
    at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess (JavaxToolsCompiler.java:131)
    at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile (JavacCompiler.java:174)
    at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute (AbstractCompilerMojo.java:1134)
    at org.apache.maven.plugin.compiler.TestCompilerMojo.execute (TestCompilerMojo.java:180)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:196)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:186)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
    at java.lang.Thread.run (Thread.java:829)

The problem is https://issues.apache.org/jira/browse/MCOMPILER-346

The workaround is to add -Dmaven.compiler.forceJavacCompilerUse=true to the maven command line. This workaround has also been submitted to Stack overflow https://stackoverflow.com/a/70739212 .

Another workaround is to add <forceJavacCompilerUse>true</forceJavacCompilerUse> to

      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <encoding>UTF-8</encoding>
          <showDeprecation>true</showDeprecation>
          <showWarnings>true</showWarnings>
          <optimize>true</optimize>
          <!-- workaround https://issues.apache.org/jira/browse/MCOMPILER-205 -->
          <useIncrementalCompilation>false</useIncrementalCompilation>
+          <!-- workaround https://issues.apache.org/jira/browse/MCOMPILER-346 -->
+          <forceJavacCompilerUse>true</forceJavacCompilerUse>

Issue Analytics

  • State:closed
  • Created 2 years ago
  • Comments:6 (3 by maintainers)

github_iconTop GitHub Comments

1reaction
lhotaricommented, Dec 3, 2021

@eolivelli @michaeljmarshall @nicoloboschi FYI, if you ever encounter this issue after cherry-picking etc.

0reactions
tisonkuncommented, Nov 14, 2022

Closed as stale. Please open a new issue if it’s still relevant in master branch.

For development hint, we can post a discussion thread in the Discussion form, or add it to the contribution guide: https://pulsar.apache.org/contribute/.

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