I've run into the same issue.
In my case it seems to only occur if I close/reopen a project in
eclipse, or delete then recreate a project with the same name.
From the eclipse error log:
!SESSION 2008-10-13 10:20:59.094
-----------------------------------------------
eclipse.buildId=M20080911-1700
java.version=1.5.0_16
java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86, WS=carbon, NL=en_US
Framework arguments: -keyring /Users/sean/.eclipse_keyring -
showlocation
Command-line arguments: -os macosx -ws carbon -arch x86 -keyring /
Users/sean/.eclipse_keyring -consoleLog -showlocation
!ENTRY org.maven.ide.eclipse 4 0 2008-10-13 11:00:25.178
!MESSAGE Unsupported launch configuratio type
org.eclipse.ant.AntLaunchConfigurationType
This appears to be caused by the
org.eclipse.jdt.launching.CLASSPATH_PROVIDER
and
org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER
entries in this file:
<workspace_dir>/.plugins/org.eclipse.debug.core/.launches/
<project_name> <ant_build_filename> [<ant_task_name>].launch
Before closing the project (when running the ant task works correctly)
they are set to
<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER"
value="org.eclipse.ant.ui.AntClasspathProvider"/>
<stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER"
value="org.eclipse.ant.ui.AntClasspathProvider"/>
After closing/reopening/recreating the project (when running the ant
task results in the error) they are set to
<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER"
value="org.maven.ide.eclipse.launchconfig.classpathProvider"/>
<stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER"
value="org.maven.ide.eclipse.launchconfig.sourcepathProvider"/>
As a workaround (and as I don't have any task-specific settings)
simply deleting the .launch file and letting eclipse recreate it has
worked for me.
Sean.
On 19 Oct 2008, at 20:33, Chris wrote:
I've upgraded some Maven components, and now I can't launch Ant
scripts from within Eclipse. When I click build.xml and right-click
Run As/Ant Build, I get the error message:
Unsupported launch configuratio type
org.eclipse.ant.AntLaunchConfigurationType
(note the misspelling)
A bit of googling found the offending code here:
http://jira.codehaus.org/secure/attachment/37121/m2eclipse-MNGECLIPSE-917.patch
and here:
http://svn.sonatype.org/m2eclipse/tags/0.9.1.200803311600/org.maven.ide.eclipse/src/org/maven/ide/eclipse/launch/MavenRuntimeClasspathProvider.java
Looks like an m2eclipse error. I just upgraded to 0.9.7, but that
did not fix the issue.
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