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| Summary: | Deadlock on IDE startup | ||
|---|---|---|---|
| Product: | ide | Reporter: | Dusan Balek <dbalek> |
| Component: | Internal Server | Assignee: | Petr Jiricka <pjiricka> |
| Status: | VERIFIED FIXED | ||
| Severity: | blocker | CC: | jpospisil, jtulach |
| Priority: | P1 | ||
| Version: | 5.x | ||
| Hardware: | All | ||
| OS: | All | ||
| Issue Type: | DEFECT | Exception Reporter: | |
| Attachments: |
Deadlock thread dump.
Patch in httpserver module Module with the patch |
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|
Description
Dusan Balek
2005-10-25 09:05:09 UTC
Created attachment 26302 [details]
Deadlock thread dump.
filesystems aren't involved at all -> lookup versus datasystems. I wrote a test, but alas, it seems that the deadlock in 67472 cannot be properly fixed in XMLDataObject, that would create possible access to not-yet-initialized Processor object. Leaving for htmlserver guys to fix. Checking in XMLDataObjectTest.java; /cvs/openide/loaders/test/unit/src/org/openide/loaders/XMLDataObjectTest.java,v <-- XMLDataObjectTest.java new revision: 1.3; previous revision: 1.2 The actual problem is the initialization of org.netbeans.modules.httpserver.HttpServerURLMapper.<clinit>(HttpServerURLMapper.java:37) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) it should be made cheaper. Please remove static initializer and any work in constructor that you do that. How often does this happen are there any particular steps to reproduce? I can't reproduce. I am attaching a patch which removes the static initialization, and the resulting module. I would prefer if this was tested by someone who can reproduce this and can verify that it helps. BTW, looking at the stack trace, it seems overly complicated. The .settings file format is well known, so couldn't just SharedClassObject directly parse the settings file and get the result? Does it need to go through the Lookup/FolderLookup/XMLDataObject layers? Created attachment 26406 [details]
Patch in httpserver module
Created attachment 26407 [details]
Module with the patch
Fixed. Checking in HttpServerURLMapper.java; /cvs/httpserver/src/org/netbeans/modules/httpserver/HttpServerURLMapper.java,v <-- HttpServerURLMapper.java new revision: 1.12; previous revision: 1.11 done dbalek,could you please verify the fix? Thanks. Verified. |