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https://issues.apache.org/jira/browse/WW-3807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart closed WW-3807.
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Resolution: Not A Problem
> Sitegraph plugin tests broken on JDK 7
> --------------------------------------
>
> Key: WW-3807
> URL: https://issues.apache.org/jira/browse/WW-3807
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.3.3
> Environment: Ubuntu linux 12.04.
> Java version: 1.7.0_03, vendor: Oracle Corporation
> Reporter: Leonard Broman
> Priority: Major
> Labels: jdk7
> Fix For: 6.1.0
>
>
> With JDK 7 the single sitegraph unit test fails to run. Unsure if this
> affects deployments as different view implementations are used.
> Test set: org.apache.struts2.sitegraph.SiteGraphTest
> -------------------------------------------------------------------------------
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.757 sec <<<
> FAILURE!
> testWebFlow(org.apache.struts2.sitegraph.SiteGraphTest) Time elapsed: 0.743
> sec <<< ERROR!
> java.lang.ClassCastException: org.apache.struts2.sitegraph.entities.Target
> cannot be cast to java.lang.Comparable
> at java.util.TreeMap.compare(TreeMap.java:1188)
> at java.util.TreeMap.put(TreeMap.java:531)
> at java.util.TreeSet.add(TreeSet.java:255)
> at
> org.apache.struts2.sitegraph.entities.FileBasedView.matchPatterns(FileBasedView.java:79)
> at
> org.apache.struts2.sitegraph.entities.FileBasedView.getTargets(FileBasedView.java:62)
> at
> org.apache.struts2.sitegraph.renderers.DOTRenderer.render(DOTRenderer.java:137)
> at org.apache.struts2.sitegraph.SiteGraph.prepare(SiteGraph.java:122)
> at
> org.apache.struts2.sitegraph.SiteGraphTest.testWebFlow(SiteGraphTest.java:46)
> Possible solutions:
> Let entities.Target implement Comparable.
> Use HashSet instead of TreeSet in FileBasedView.java:53 (with possible
> performance losses)
> Provide a Comparator to the TreeSet in FileBasedView.java:53
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