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[Sébastien Heymann <sebastien.heymann@xxxxxxxxx>]

** Changed in: gephi/0.7
    Milestone: None => 0.7alpha3

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NumberFormatException on opening a project
https://bugs.launchpad.net/bugs/541816
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Status in Gephi - Network exploration and manipulation: Confirmed
Status in Gephi 0.7 series: Confirmed

Bug description:
Project file compatibility has been broken on 0.7alpha2 due to a bug. Files saved with 0.7alpha throw errors when opened with current version.

Stack trace:

java.lang.NumberFormatException: For input string: \"\"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
	at java.lang.Integer.parseInt(Integer.java:470)
	at java.lang.Integer.parseInt(Integer.java:499)
	at org.gephi.graph.dhns.utils.DHNSSerializer.readTreeStructure(DHNSSerializer.java:229)
	at org.gephi.graph.dhns.utils.DHNSSerializer.readDhns(DHNSSerializer.java:136)
	at org.gephi.graph.dhns.DhnsPersistenceProvider.readXML(DhnsPersistenceProvider.java:49)
	at org.gephi.project.io.GephiReader.readWorkspaceChildren(GephiReader.java:145)
	at org.gephi.project.io.GephiReader.readWorkspace(GephiReader.java:131)
	at org.gephi.project.io.GephiReader.readProject(GephiReader.java:104)
	at org.gephi.project.io.GephiReader.readAll(GephiReader.java:81)
	at org.gephi.project.io.LoadTask.run(LoadTask.java:76)
	at org.gephi.utils.longtask.api.LongTaskExecutor$RunningLongTask.run(LongTaskExecutor.java:227)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)