Dale,
Please try 0.0.12 version and if it doesn't work there please open
JIRA issue and attach test project that we could use to reproduce.
Thanks
Eugene
Dale King wrote:
I have a maven project that uses the maven-native-plugin for
supporting JNI. It works fine on the command line, but fails with an
internal error when running under m2eclipse. This is on Windows by the
way, but that probably doesn't matter.
I've distilled the example project from maven-native-plugin to a
simple example that shows the problem. Simply create a Java project in
Eclipse and add this pom.xml which just tries to run javah:
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>org.codehaus.mojo.natives.it.jni.win32</groupId>
<artifactId>hello</artifactId>
<version>0.0</version>
<name>JNI - DLL </name>
<packaging>dll</packaging>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>native-maven-plugin</artifactId>
<version>1.0-alpha-2</version>
<extensions>true</extensions>
<configuration>
<javahOS>win32</javahOS>
</configuration>
<executions>
<execution>
<id>javah</id>
<phase>generate-sources</phase>
<goals>
<goal>javah</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
If you run mvn native:javah from the comand line it runs (ending with
a build error because we did not actually provide any java classes to
run javah on).
When running it from Eclipse it fails trying to configure the javah
mojo which uses plexus. It is failing trying to lookup a component as
can be seen from the exception:
Caused by:
org.codehaus.plexus.component.repository.exception.ComponentLookupException
: Component descriptor cannot be found in the component repository:
org.codehaus.mojo.natives.manager.JavahManager [default] (lookup
realm: ClassRealm[org.codehaus.mojo:native-maven-plugin, parent:
ClassRealm[plexus.core , parent: null]]).
But it should be found. It is defined in
org.codehaus.mojo.natives:maven-native-manager:jar which is part of
org.codehaus.mojo:native-maven-plugin classpath as shown by this text
just above the exception.
[DEBUG] In verifyVersionedPlugin for:
org.codehaus.mojo:native-maven-plugin
[DEBUG]
org.codehaus.mojo:native-maven-plugin:maven-plugin:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0.4:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-project:jar:2.0.4:runtime (selected
for runtime)
[DEBUG] org.apache.maven:maven-settings:jar:2.0.4:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-model:jar:2.0.4:runtime (selected
for runtime)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.1:runtime
(selected for runtime)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.1:runtime
(selected for runtime)
[DEBUG]
org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9:runtime
(selected for runtime)
[DEBUG] junit:junit:jar:3.8.1:runtime (selected for runtime)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.0.4:runtime
(removed - nearer found: 1.1)
[DEBUG] classworlds:classworlds:jar:1.1-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-profile:jar:2.0.4:runtime (selected
for runtime)
[DEBUG] org.apache.maven:maven-model:jar:2.0.4:runtime (selected
for runtime)
[DEBUG] org.apache.maven:maven-artifact-manager:jar:2.0.4:runtime
(selected for runtime)
[DEBUG]
org.apache.maven:maven-repository-metadata:jar:2.0.4:runtime (selected
for runtime)
[DEBUG] org.apache.maven:maven-artifact:jar:2.0.4:runtime
(selected for runtime)
[DEBUG]
org.apache.maven.wagon:wagon-provider-api:jar:1.0-alpha-6:runtime
(selected for runtime)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.0.4:runtime
(removed - nearer found: 1.1)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.1:runtime (selected
for runtime)
[DEBUG] org.apache.maven:maven-artifact:jar:2.0.4:runtime
(selected for runtime)
[DEBUG]
org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9:runtime
(selected for runtime)
[DEBUG] junit:junit:jar:3.8.1:runtime (selected for runtime)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.0.4:runtime
(removed - nearer found: 1.1)
[DEBUG] classworlds:classworlds:jar:1.1-alpha-2:runtime
(selected for runtime)
[DEBUG]
org.codehaus.mojo.natives:maven-native-api:jar:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0:runtime (removed
- nearer found: 2.0.4)
[DEBUG] bcel:bcel:jar:5.1:runtime (selected for runtime)
[DEBUG]
org.codehaus.mojo.natives:maven-native-javah:jar:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0:runtime (removed
- nearer found: 2.0.4)
[DEBUG]
org.codehaus.mojo.natives:maven-native-generic-c:jar:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0:runtime (removed
- nearer found: 2.0.4)
[DEBUG]
org.codehaus.mojo.natives:maven-native-msvc:jar:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0:runtime (removed
- nearer found: 2.0.4)
[DEBUG]
org.codehaus.mojo.natives:maven-native-bcc:jar:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0:runtime (removed
- nearer found: 2.0.4)
[DEBUG]
org.codehaus.mojo.natives:maven-native-manager:jar:1.0-alpha-2:runtime
(selected for runtime)
[DEBUG] org.apache.maven:maven-plugin-api:jar:2.0:runtime (removed
- nearer found: 2.0.4)
[DEBUG] org.codehaus.plexus:plexus-utils:jar:1.1:runtime (selected
for runtime)
[DEBUG] Using the following artifacts for classpath of:
org.codehaus.mojo:native-maven-plugin:maven-plugin:1.0-alpha-2:
[org.codehaus.mojo.natives:maven-native-api:jar:1.0-alpha-2:runtime
org.codehaus.mojo.natives:maven-native-manager:jar:1.0-alpha-2:runtime
org.codehaus.mojo.natives:maven-native-javah:jar:1.0-alpha-2:runtime
org.codehaus.mojo.natives:maven-native-bcc:jar:1.0-alpha-2:runtime
bcel:bcel:jar:5.1:runtime
org.codehaus.plexus:plexus-utils:jar:1.1:runtime
org.codehaus.mojo.natives:maven-native-msvc:jar:1.0-alpha-2:runtime
org.codehaus.mojo.natives:maven-native-generic-c:jar:1.0-alpha-2:runtime
]
I didn't paste the whole debug output since you can run it yourself
easily enough.
Help! I don't know how to debug this sort of thing and know very
little about maven plugins.
--
Dale King
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