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question asked: Sep 26 '12, 7:06 a.m.
question was seen: 5,928 times
last updated: Oct 05 '12, 10:23 a.m.

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Error 500 and Null Pointer Exception

0
Veit Weber (3●2●4) | asked Sep 26 '12, 7:06 a.m.
edited Oct 05 '12, 10:23 a.m.
After a upgrade from RTC 3.11 to 4.0 the following error appears after 30-120 minutes.

https://rational:9443/ccm/web/_style/?exclude=A&include=com.ibm.team.rtc.web.ui.internal.DashboardPage.js&ss=1zXZ&_proxyURL=%2Fccm&locale=en

--> this requests ends up in a error 500: 

java.lang.NullPointerException
	net.jazz.ajax.model.Sprite.writeCSS(Sprite.java:125)
	net.jazz.ajax.model.StyleSheet.rewriteUrls(StyleSheet.java:224)
	net.jazz.ajax.model.StyleSheet.write(StyleSheet.java:240)
	net.jazz.ajax.servlets.ResourceGraph.writeCSS(ResourceGraph.java:295)
	net.jazz.ajax.servlets.StyleSheetServlet.write(StyleSheetServlet.java:24)
	net.jazz.ajax.servlets.AbstractResourceServlet.doGet(AbstractResourceServlet.java:73)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	net.jazz.ajax.servlets.LoggingHttpServlet.service(LoggingHttpServlet.java:35)
	org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:120)
	com.ibm.team.repository.server.servletbridge.JazzServlet.service(JazzServlet.java:68)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	com.ibm.team.repository.server.servletbridge.BridgeFilter.processDelegate(BridgeFilter.java:133)
	com.ibm.team.repository.server.servletbridge.BridgeFilter.doFilter(BridgeFilter.java:154)
After this the layout of the CCM-Website-Layout is destroyed but full accessible. It happens in both: 32 & 64 Bit.

Is there any solution?


edit: i've found a temporary solution:

related to this workitem : https://jazz.net/jazz/web/projects/Jazz%20Foundation#action=com.ibm.team.workitem.viewWorkItem&id=216290 i found a workaround.

setup your dns configuration to point this dns-adresses to 127.0.0.1

    net.jazz.web.ui
    net.jazz.web.ui.localdomain
    net.jazz.web.app
    net.jazz.web.app.localdomain
    com.ibm.team.dashboard.web
    com.ibm.team.dashboard.web.loc aldomain
    com.ibm.team.process.web
    com.ibm.team.process.web.local domain
    com.ibm.asq.common.web
    com.ibm.asq.common.web.localdo main
    net.jazz.web.ensemble
    net.jazz.web.ensemble.localdom ain
    com.ibm.team.dashboard.viewlet s.web
    com.ibm.team.dashboard.viewlet s.web.localdomain
    com.ibm.team.rtc.web
    com.ibm.team.rtc.web.localdoma in

i know...it's not a nice solution but it will work until 4.0.1 or 4.0.0.2 is delivered. my server is running 48hours with no npe.


Comments
Bo Chulindra commented Sep 26 '12, 1:08 p.m.
JAZZ DEVELOPER

I believe you may have this defect here: https://jazz.net/jazz/resource/itemName/com.ibm.team.workitem.WorkItem/214151

Accepted answer

2
permanent link
Randy Hudson (216●2●4●3) | answered Sep 26 '12, 2:17 p.m.
FORUM MODERATOR / JAZZ DEVELOPER
 This is being tracked in a workitem:
Veit Weber selected this answer as the correct answer
Comments
Veit Weber commented Sep 28 '12, 2:43 a.m.

thanks randy for letting me know this issue.

yesterday i was able to reproduce the error under sles10-linux.
could it be possible, that the problem is because the hostname is not full-qualified?

One other answer

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0
permanent link
Veit Weber (3●2●4) | answered Sep 26 '12, 7:10 a.m.
Addition: After a while the CCM isn't available, there is another Exception: 

org.eclipse.core.runtime.AssertionFailedException: assertion failed: Sprite generation is non-deterministic
	org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
	net.jazz.ajax.model.SpriteLayout$Algorithm$1.compare(SpriteLayout.java:130)
	net.jazz.ajax.model.SpriteLayout$Algorithm$1.compare(SpriteLayout.java:1)
	java.util.Arrays.mergeSort(Arrays.java:2902)
	java.util.Arrays.mergeSort(Arrays.java:2887)
	java.util.Arrays.mergeSort(Arrays.java:2886)
	java.util.Arrays.mergeSort(Arrays.java:2886)
	java.util.Arrays.mergeSort(Arrays.java:2887)
	java.util.Arrays.sort(Arrays.java:3251)
	java.util.Arrays.sort(Arrays.java:3269)
	java.util.Collections.sort(Collections.java:1961)
	net.jazz.ajax.model.SpriteLayout$Algorithm.initialize(SpriteLayout.java:123)
	net.jazz.ajax.model.SpriteLayout$Algorithm.solve(SpriteLayout.java:89)
	net.jazz.ajax.model.SpriteLayout.<init>(SpriteLayout.java:48)
	net.jazz.ajax.model.Sprite.getLayout(Sprite.java:83)
	net.jazz.ajax.model.Sprite.getState(Sprite.java:113)
	net.jazz.ajax.servlets.ResourceGraph.isStillValid(ResourceGraph.java:262)
	net.jazz.ajax.servlets.ResourceGraphOperation.isStillValid(ResourceGraphOperation.java:78)
	net.jazz.ajax.internal.util.Cache.execute(Cache.java:50)
	net.jazz.ajax.internal.util.CacheableOperation.execute(CacheableOperation.java:32)
	net.jazz.ajax.model.AjaxPage.write(AjaxPage.java:100)
	net.jazz.ajax.servlets.AjaxPageServlet.doGet(AjaxPageServlet.java:31)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	net.jazz.ajax.servlets.LoggingHttpServlet.service(LoggingHttpServlet.java:35)
	org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
	org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
	org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:120)
	com.ibm.team.repository.server.servletbridge.JazzServlet.service(JazzServlet.java:68)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	com.ibm.team.repository.server.servletbridge.BridgeFilter.processDelegate(BridgeFilter.java:133)
	com.ibm.team.repository.server.servletbridge.BridgeFilter.doFilter(BridgeFilter.java:154)

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