[jira] [Created] (MCOMPILER-355) NPE in CompilerMojo.preparePaths on exception

["Brett Sutton (JIRA)" <ji...@apache.org>]

Brett Sutton created MCOMPILER-355:
--------------------------------------

             Summary: NPE in CompilerMojo.preparePaths on exception
                 Key: MCOMPILER-355
                 URL: https://issues.apache.org/jira/browse/MCOMPILER-355
             Project: Maven Compiler Plugin
          Issue Type: Bug
         Environment: ubunutu 18.04.

            Reporter: Brett Sutton


I'm getting:

 
{code:java}
 
Caused by: java.lang.NullPointerException
 at org.apache.maven.plugin.compiler.CompilerMojo.preparePaths (CompilerMojo.java:244)
 at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute (AbstractCompilerMojo.java:787)
 at org.apache.maven.plugin.compiler.CompilerMojo.execute (CompilerMojo.java:188)
 at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:134)
 at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:208)
 at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:154)
{code}
 

Appears to be caused by the exception handling assuming the cause will be non-null:

 

line 244 is:

 

243 Throwable cause = pathException.getValue().getCause();
244 while ( cause.getCause() != null )
245 {
246 cause = cause.getCause();
247 }



Clearly in some cases pathException.getValue().getCause() is returning null.

 

This occurs when I try to build a java 10 project.

Full pom is:

 
{code:java}
<project xmlns="http://maven.apache.org/POM/4.0.0"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>au.com.noojee</groupId>
 <artifactId>noojeebilling.api</artifactId>
 <version>1.4-SNAPSHOT</version>
 <properties>
 </properties>
 <build>
 <sourceDirectory>src/main/java</sourceDirectory>
 <plugins>
 <plugin>
 <artifactId>maven-compiler-plugin</artifactId>
 <version>3.8.0</version>
 <configuration>
 <release>10</release>
 </configuration>
 </plugin>
 </plugins>
<extensions>
 <extension>
 <groupId>io.packagecloud.maven.wagon</groupId>
 <artifactId>maven-packagecloud-wagon</artifactId>
 <version>0.0.6</version>
 </extension>
 </extensions>
 </build>
<distributionManagement>
 <repository>
 <id>noojee-internal</id>
 <url>packagecloud+https://packagecloud.io/noojee/internal</url>
 </repository>
 <snapshotRepository>
 <id>noojee-internal</id>
 <url>packagecloud+https://packagecloud.io/noojee/internal</url>
 </snapshotRepository>
 </distributionManagement>
 
<dependencies>
 <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
 <dependency>
 <groupId>com.google.code.gson</groupId>
 <artifactId>gson</artifactId>
 <version>2.8.5</version>
 </dependency>
<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
 <dependency>
 <groupId>org.apache.logging.log4j</groupId>
 <artifactId>log4j-core</artifactId>
 <version>2.9.1</version>
 </dependency>
<!-- https://mvnrepository.com/artifact/org.javamoney/moneta -->
 <dependency>
 <groupId>org.javamoney</groupId>
 <artifactId>moneta</artifactId>
 <version>1.3</version>
 <type>pom</type>
 </dependency>
 <!-- https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15on -->
 <dependency>
 <groupId>org.bouncycastle</groupId>
 <artifactId>bcprov-jdk15on</artifactId>
 <version>1.59</version>
 </dependency>
<dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 <version>4.11</version>
 <scope>test</scope>
 </dependency>
 
</dependencies>
</project>
{code}
 

 

 

 

 

 



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