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https://issues.apache.org/jira/browse/IVY-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maarten Coene resolved IVY-1387.
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Resolution: Not A Problem
Assignee: Maarten Coene
If you have multiple Ivy processes, you should use different resolution caches.
The resolution cache is not multi-process-safe.
Cfr. http://ant.apache.org/ivy/history/latest-milestone/concept.html#cache and
http://ant.apache.org/ivy/history/latest-milestone/settings/caches.html
> incomplete xml files causing parse exceptions
> ---------------------------------------------
>
> Key: IVY-1387
> URL: https://issues.apache.org/jira/browse/IVY-1387
> Project: Ivy
> Issue Type: Bug
> Affects Versions: 2.2.0
> Environment: ivy 2.2.0
> Reporter: Stephen Haberman
> Assignee: Maarten Coene
>
> We're getting occasional build failures where Ivy seems to be trying to read
> only partially-complete XML files from the cache.
> This happens only on our Hudson box, when it's running ~4-5 builds at a time,
> so my theory is that the separate Ivy processes are not blocking each other
> from reading incomplete files--just restarting a job makes it work the second
> time, so it's a very transient error.
> Stack trace is below.
> Does it seem likely that RetrieveEngine's determineArtifactsToCopy is missing
> some locking/ordination around line 286/288 where it uses cacheManager to get
> a file and then parse it?
> java.lang.RuntimeException: problem during retrieve of
> bizo.com#b360-bizads-processes: java.text.ParseException: failed to parse
> report:
> /mnt/bizo/hudson/workspace/common-build/../ivycache/bizo.com-b360-bizads-processes-default.xml:
> The markup in the document following the root element must be well-formed.
> at
> org.apache.ivy.core.retrieve.RetrieveEngine.retrieve(RetrieveEngine.java:206)
> at org.apache.ivy.Ivy.retrieve(Ivy.java:540)
> at org.apache.ivy.ant.IvyRetrieve.doExecute(IvyRetrieve.java:67)
> at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:277)
> at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:392)
> at org.apache.tools.ant.Target.performTasks(Target.java:413)
> at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
> at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
> at org.apache.tools.ant.Main.runBuild(Main.java:811)
> at org.apache.tools.ant.Main.startAnt(Main.java:217)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
> Caused by: java.text.ParseException: failed to parse report:
> /mnt/bizo/hudson/workspace/common-build/../ivycache/bizo.com-b360-bizads-processes-default.xml:
> The markup in the document following the root element must be well-formed.
> at
> org.apache.ivy.plugins.report.XmlReportParser.parse(XmlReportParser.java:302)
> at
> org.apache.ivy.core.retrieve.RetrieveEngine.determineArtifactsToCopy(RetrieveEngine.java:288)
> at
> org.apache.ivy.core.retrieve.RetrieveEngine.retrieve(RetrieveEngine.java:104)
> ... 19 more
> Caused by: org.xml.sax.SAXParseException; systemId:
> file:/mnt/bizo/hudson/workspace/common-build/../ivycache/bizo.com-b360-bizads-processes-default.xml;
> lineNumber: 824; columnNumber: 4; The markup in the document following the
> root element must be well-formed.
> at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198)
> at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
> at
> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:441)
> at
> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:368)
> at
> com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1375)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$TrailingMiscDriver.next(XMLDocumentScannerImpl.java:1377)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:488)
> at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835)
> at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
> at
> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:123)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1210)
> at
> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:568)
> at
> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:302)
> at javax.xml.parsers.SAXParser.parse(SAXParser.java:328)
> at
> org.apache.ivy.plugins.report.XmlReportParser$SaxXmlReportParser.parse(XmlReportParser.java:258)
> at
> org.apache.ivy.plugins.report.XmlReportParser.parse(XmlReportParser.java:300)
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