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Posted to issues@maven.apache.org by "Karl Heinz Marbaise (JIRA)" <ji...@apache.org> on 2018/07/30 23:45:00 UTC
[jira] [Commented] (MCOMPILER-355) NPE in CompilerMojo.preparePaths
on exception
[ https://issues.apache.org/jira/browse/MCOMPILER-355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16562672#comment-16562672 ]
Karl Heinz Marbaise commented on MCOMPILER-355:
-----------------------------------------------
First can you please format your description a little bit more..Apart from that just using your pom.xml example and just using JDK 10.0.1
{noformat}
~/ws-git-maven-bugs/MCOMPILER-355$ mvn -V package
Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T20:33:14+02:00)
Maven home: /usr/local/maven
Java version: 10.0.1, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home
Default locale: en_DE, platform encoding: UTF-8
OS name: "mac os x", version: "10.11.6", arch: "x86_64", family: "mac"
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------< au.com.noojee:noojeebilling.api >-------------------
[INFO] Building noojeebilling.api 1.4-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ noojeebilling.api ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /Users/kama/ws-git-maven-bugs/MCOMPILER-355/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ noojeebilling.api ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ noojeebilling.api ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /Users/kama/ws-git-maven-bugs/MCOMPILER-355/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ noojeebilling.api ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ noojeebilling.api ---
[INFO] No tests to run.
[INFO]
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ noojeebilling.api ---
[WARNING] JAR will be empty - no content was marked for inclusion!
[INFO] Building jar: /Users/kama/ws-git-maven-bugs/MCOMPILER-355/target/noojeebilling.api-1.4-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.982 s
[INFO] Finished at: 2018-07-31T01:43:14+02:00
[INFO] ------------------------------------------------------------------------
{noformat}
So can you give more details about what you are using? How you have called Maven? Which Maven version you are using ? Source code which might needed to be compiled ?
> 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
> Priority: Major
>
> 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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