Re: [buckminster-dev] Bug#173950

[Thomas Hallgren <thomas@xxxxxxx>]

Hi Filip,
Truly sloppy programming. I must have a serious talk with the guy behind 
that one :-)

Fix is in CVS.

Regards,
Thomas Hallgren


Filip Hrbek wrote:
> Hi Thomas,
>  
> I am getting this error when saving a CPEX file:
>  
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
>  at java.util.ArrayList.RangeCheck(Unknown Source)
>  at java.util.ArrayList.set(Unknown Source)
>  at 
> org.eclipse.buckminster.core.cspec.builder.GroupBuilder.getPrerequisiteList(GroupBuilder.java:117)
>  at 
> org.eclipse.buckminster.core.cspec.builder.GroupBuilder.createAttribute(GroupBuilder.java:77)
>  at 
> org.eclipse.buckminster.core.cspec.builder.GroupBuilder.createAttribute(GroupBuilder.java:1)
>  at org.eclipse.buckminster.core.cspec.model.CSpec.<init>(CSpec.java:154)
>  at 
> org.eclipse.buckminster.core.cspec.builder.CSpecBuilder.createCSpec(CSpecBuilder.java:150)
>  at 
> org.eclipse.buckminster.core.cspec.parser.CSpecHandler.getCSpec(CSpecHandler.java:50)
>  at 
> org.eclipse.buckminster.core.cspec.parser.CSpecParser.childPopped(CSpecParser.java:87)
>  at 
> org.eclipse.buckminster.sax.ChildHandler.endElement(ChildHandler.java:85)
>  at 
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unknown 
> Source)
>  at 
> com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown 
> Source)
>  at 
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown 
> Source)
>  at 
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
> Source)
>  at 
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown 
> Source)
>  at 
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown 
> Source)
>  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown 
> Source)
>  at 
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown 
> Source)
>  at 
> org.eclipse.buckminster.core.parser.AbstractParser.parseInput(AbstractParser.java:140)
>  at 
> org.eclipse.buckminster.core.cspec.parser.CSpecParser.parse(CSpecParser.java:66)
>  at 
> org.eclipse.buckminster.core.cspec.parser.CSpecParser.parse(CSpecParser.java:1)
>  at 
> org.eclipse.buckminster.core.metadata.FileStorage.getElement(FileStorage.java:145)
>  at 
> org.eclipse.buckminster.core.metadata.model.Resolution.getCSpec(Resolution.java:177)
>  at 
> org.eclipse.buckminster.core.metadata.model.Resolution.getComponentIdentifier(Resolution.java:166)
>  at 
> org.eclipse.buckminster.core.metadata.WorkspaceInfo.getActiveResolutions(WorkspaceInfo.java:122)
>  at 
> org.eclipse.buckminster.core.metadata.WorkspaceInfo.getResolution(WorkspaceInfo.java:260)
>  at 
> org.eclipse.buckminster.core.metadata.WorkspaceInfo.getCSpec(WorkspaceInfo.java:213)
>  at 
> org.eclipse.buckminster.core.metadata.MetadataSynchronizer.refreshProject(MetadataSynchronizer.java:291)
>  at 
> org.eclipse.buckminster.core.metadata.MetadataSynchronizer$MetadataRefreshJob.run(MetadataSynchronizer.java:167)
>  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
> The problem could be solved by modifying the 
> org.eclipse.buckminster.core.cspec.builder.GroupBuilder:
>  
> Current code:
>
> List<Prerequisite> getPrerequisiteList()
>
> {
>
> *int* idx = (m_prerequisites == *null*) ? 0 : m_prerequisites.size();
>
> *if*(idx == 0)
>
> *return* Collections.emptyList();
>
> ArrayList<Prerequisite> bld = *new* ArrayList<Prerequisite>(idx);
>
> *while*(--idx >= 0)
>
> bld.set(idx, m_prerequisites.get(idx).createPrerequisite());
>
> *return* bld;
>
> }
>
> Modified code:
>
> List<Prerequisite> getPrerequisiteList()
>
> {
>
> *int* idx = (m_prerequisites == *null*) ? 0 : m_prerequisites.size();
>
> *if*(idx == 0)
>
> *return* Collections.emptyList();
>
> ArrayList<Prerequisite> bld = *new* ArrayList<Prerequisite>(idx);
>
> *for* (PrerequisiteBuilder prerequisite : m_prerequisites)
>
> bld.add(prerequisite.createPrerequisite());
>
> *return* bld;
>
> }
>
>  
>
> But after this modification I get another error (with no stack trace):
>
> More than one version of component javax.servet:plugin$2.4.0#OSGi is 
> known to the Buckminster
>
> Any idea?
>
>  
>
> Regards
>
>   Filip
>
>