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java.lang.NullPointerException on SameNameButDifferent #3245

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ilopezv opened this issue Jun 6, 2022 · 2 comments
Open

java.lang.NullPointerException on SameNameButDifferent #3245

ilopezv opened this issue Jun 6, 2022 · 2 comments

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@ilopezv
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ilopezv commented Jun 6, 2022

Error obtained with maven 3.8.5 and Java 11.0.14 with the following config:

				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-compiler-plugin</artifactId>
					<configuration>
						<source>${maven.compiler.source}</source>
						<target>${maven.compiler.target}</target>
						<release>${maven.compiler.release}</release>
						<encoding>${project.build.sourceEncoding}</encoding>
						<showDeprecation>false</showDeprecation>
						<showWarnings>false</showWarnings>
						<annotationProcessorPaths>
							<path>
								<groupId>org.springframework.boot</groupId>
								<artifactId>spring-boot-configuration-processor</artifactId>
								<version>${spring-boot-starter-parent.version}</version>
							</path>
							<path>
								<groupId>org.mapstruct</groupId>
								<artifactId>mapstruct-processor</artifactId>
								<version>${org.mapstruct.version}</version>
							</path>
							<path>
								<groupId>org.projectlombok</groupId>
								<artifactId>lombok</artifactId>
								<version>${lombok.version}</version>
							</path>
							<path>
								<groupId>org.projectlombok</groupId>
								<artifactId>lombok-mapstruct-binding</artifactId>
								<version>${lombok-mapstruct-binding.version}</version>
							</path>
							<path>
								<groupId>org.springframework</groupId>
								<artifactId>spring-context-indexer</artifactId>
								<version>${spring-framework.version}</version>
							</path>
	                        <path>
	                            <groupId>com.github.therapi</groupId>
	                            <artifactId>therapi-runtime-javadoc-scribe</artifactId>
	                            <version>${therapi-runtime-javadoc-scribe.version}</version>
	                        </path>
				            <path>
				              <groupId>com.google.errorprone</groupId>
				              <artifactId>error_prone_core</artifactId>
				              <version>${error_prone.version}</version>
				            </path>
						</annotationProcessorPaths>
						<!-- indicates mapstruct to generar -->
						<compilerArgs>
							<compilerArg>-Amapstruct.defaultComponentModel=spring</compilerArg>
							<compilerArg>-Amapstruct.defaultInjectionStrategy=constructor</compilerArg>
							<compilerArg>-XDcompilePolicy=simple</compilerArg>
							<compilerArg>-Xplugin:ErrorProne</compilerArg>
						</compilerArgs>
					</configuration>
				</plugin>

[ERROR]      error-prone version: 2.14.0
[ERROR]      BugPattern: SameNameButDifferent
[ERROR]      Stack Trace:
[ERROR]      java.lang.NullPointerException
[ERROR]   	at com.google.errorprone.bugpatterns.SameNameButDifferent.getBetterImport(SameNameButDifferent.java:186)
[ERROR]   	at com.google.errorprone.bugpatterns.SameNameButDifferent.matchCompilationUnit(SameNameButDifferent.java:141)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:449)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:555)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:150)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:591)
[ERROR]   	at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:56)
[ERROR]   	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:58)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScannerTransformer.apply(ErrorProneScannerTransformer.java:43)
[ERROR]   	at com.google.errorprone.ErrorProneAnalyzer.finished(ErrorProneAnalyzer.java:152)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:132)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1418)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1365)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:960)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.lambda$doCall$0(JavacTaskImpl.java:104)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.handleExceptions(JavacTaskImpl.java:147)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:100)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:94)
[ERROR]   	at org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess(JavaxToolsCompiler.java:136)
[ERROR]   	at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile(JavacCompiler.java:182)
[ERROR]   	at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:1209)
[ERROR]   	at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:198)
[ERROR]   	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:301)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:211)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:165)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:157)
[ERROR]   	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:121)
[ERROR]   	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
[ERROR]   	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
[ERROR]   	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:127)
[ERROR]   	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:294)
[ERROR]   	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
[ERROR]   	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
[ERROR]   	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:960)
[ERROR]   	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:293)
[ERROR]   	at org.apache.maven.cli.MavenCli.main(MavenCli.java:196)
[ERROR]   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR]   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR]   	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR]   	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
@ilopezv
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ilopezv commented Jun 6, 2022

-XepDisableWarningsInGeneratedCode seems to fix the bug

@ilopezv ilopezv changed the title java.lang.NullPointerException java.lang.NullPointerException on SameNameButDifferent Jun 6, 2022
@tbroyer
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tbroyer commented Jun 8, 2022

Duplicate of #2977

@copybara-service copybara-service bot mentioned this issue Jul 14, 2022
Closed
copybara-service bot pushed a commit that referenced this issue Jul 14, 2022
@graememorgan
Make a defensive null check in SameNameButDifferent.
dd6cb39 
Fixes(?) external #3245.

(I haven't included a test as the external bug doesn't have a repro, and is apparently in generated code: which makes me assume something odd is going on.)

PiperOrigin-RevId: 458755521
copybara-service bot pushed a commit that referenced this issue Jul 14, 2022
@graememorgan
Make a defensive null check in SameNameButDifferent.
25d1c00 
Fixes(?) external #3245.

(I haven't included a test as the external bug doesn't have a repro, and is apparently in generated code: which makes me assume something odd is going on.)

PiperOrigin-RevId: 460918647
@cushon cushon mentioned this issue Jul 16, 2022
Closed
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@tbroyer @ilopezv