java - Unexpected runtime error while computing a text hover-- Eclipse -

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i using eclipse indigo, got premgen space erorr, go eclipse.ini file , make memory space 512m, in place of 256.

from this, mu eclipse hangs, , behaving unexpectedly. eclipse.ini file is

    -startup plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar --launcher.library plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.100.v20110502 -product org.eclipse.epp.package.jee.product --launcher.defaultaction openfile --launcher.xxmaxpermsize 512m -showsplash org.eclipse.platform --launcher.xxmaxpermsize 512m--launcher.defaultaction openfile -vmargs -dosgi.requiredjavaversion=1.5 -xms40m -xmx512m

the log file shows thos error.

        !session 2014-11-26 08:56:15.409 -----------------------------------------------     eclipse.buildid=i20110613-1736     java.version=1.7.0_71     java.vendor=oracle corporation     bootloader constants: os=win32, arch=x86, ws=win32, nl=en_us     framework arguments:  -product org.eclipse.epp.package.jee.product     command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product      continuation of log file d:\cdgl\psb\.metadata\.bak_0.log     created time: 2014-11-26 10:16:22.442      !entry org.eclipse.jface.text 4 0 2014-11-26 10:16:22.445     !message unexpected runtime error while computing text hover     !stack 0     java.lang.nullpointerexception         @ org.eclipse.jst.jsf.facelet.core.internal.cm.elementcmadapter.getlength(elementcmadapter.java:109)         @ org.eclipse.wst.xml.core.internal.contentmodel.basic.cmnamednodemapimpl.<init>(cmnamednodemapimpl.java:40)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.getcmattributedeclaration(xmltaginfohoverprocessor.java:206)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.computetagattvaluehelp(xmltaginfohoverprocessor.java:135)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.computeregionhelp(xmltaginfohoverprocessor.java:111)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.computehoverhelp(xmltaginfohoverprocessor.java:86)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.gethoverinfo(xmltaginfohoverprocessor.java:257)         @ org.eclipse.jst.jsf.facelet.ui.internal.hover.facelethover.gethoverinfo(facelethover.java:58)         @ org.jboss.tools.common.text.xml.info.chaintexthover.gethoverinfo2(chaintexthover.java:145)         @ org.jboss.tools.common.text.xml.info.chaintexthover.gethoverinfo2(chaintexthover.java:132)         @ org.eclipse.jface.text.textviewerhovermanager$4.run(textviewerhovermanager.java:166)      !entry org.eclipse.jface.text 4 0 2014-11-26 10:19:54.785     !message unexpected runtime error while computing text hover     !stack 0     java.lang.nullpointerexception         @ org.eclipse.jst.jsf.facelet.core.internal.cm.elementcmadapter.getlength(elementcmadapter.java:109)         @ org.eclipse.wst.xml.core.internal.contentmodel.basic.cmnamednodemapimpl.<init>(cmnamednodemapimpl.java:40)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.getcmattributedeclaration(xmltaginfohoverprocessor.java:206)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.computetagattvaluehelp(xmltaginfohoverprocessor.java:135)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.computeregionhelp(xmltaginfohoverprocessor.java:111)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.computehoverhelp(xmltaginfohoverprocessor.java:86)         @ org.eclipse.wst.xml.ui.internal.taginfo.xmltaginfohoverprocessor.gethoverinfo(xmltaginfohoverprocessor.java:257)         @ org.eclipse.jst.jsf.facelet.ui.internal.hover.facelethover.gethoverinfo(facelethover.java:58)         @ org.jboss.tools.common.text.xml.info.chaintexthover.gethoverinfo2(chaintexthover.java:145)         @ org.jboss.tools.common.text.xml.info.chaintexthover.gethoverinfo2(chaintexthover.java:132)         @ org.eclipse.jface.text.textviewerhovermanager$4.run(textviewerhovermanager.java:166) !entry org.eclipse.ui 4 0 2014-11-27 09:52:17.423 !message error occurred during status handling !stack 0 java.lang.outofmemoryerror: permgen space  !entry org.eclipse.ui 4 0 2014-11-27 09:54:43.292 !message unhandled event loop exception !stack 0 java.lang.noclassdeffounderror: org/eclipse/compare/splitter     @ org.jboss.tools.vpe.editor.vpeeditorpartfactory.createvisualeditor(vpeeditorpartfactory.java:23)     @ org.jboss.tools.jst.jsp.jspeditor.jspmultipageeditor.createpagesforvpe(jspmultipageeditor.java:481)     @ org.jboss.tools.jst.jsp.jspeditor.jspmultipageeditor.createpages(jspmultipageeditor.java:427)     @ org.eclipse.ui.part.multipageeditorpart.createpartcontrol(multipageeditorpart.java:348)     @ org.eclipse.ui.internal.editorreference.createparthelper(editorreference.java:670)     @ org.eclipse.ui.internal.editorreference.createpart(editorreference.java:465)     @ org.eclipse.ui.internal.workbenchpartreference.getpart(workbenchpartreference.java:595)     @ org.eclipse.ui.internal.partpane.requestactivation(partpane.java:263)     @ org.eclipse.ui.internal.editorpane.requestactivation(editorpane.java:98)     @ org.eclipse.ui.internal.presentations.presentablepart.setfocus(presentablepart.java:192)     @ org.eclipse.ui.internal.presentations.util.tabbedstackpresentation$1.handleevent(tabbedstackpresentation.java:94)     @ org.eclipse.ui.internal.presentations.util.abstracttabfolder.fireevent(abstracttabfolder.java:269)     @ org.eclipse.ui.internal.presentations.util.abstracttabfolder.fireevent(abstracttabfolder.java:274)     @ org.eclipse.ui.internal.presentations.util.abstracttabfolder.handlemousedown(abstracttabfolder.java:344)     @ org.eclipse.ui.internal.presentations.util.abstracttabfolder$3.mousedown(abstracttabfolder.java:78)     @ org.eclipse.swt.widgets.typedlistener.handleevent(typedlistener.java:191)     @ org.eclipse.swt.widgets.eventtable.sendevent(eventtable.java:84) !session 2014-11-27 10:02:55.134 ----------------------------------------------- eclipse.buildid=i20110613-1736 java.version=1.7.0_71 java.vendor=oracle corporation bootloader constants: os=win32, arch=x86, ws=win32, nl=en_us framework arguments:  -product org.eclipse.epp.package.jee.product openfile command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product openfile  !entry org.eclipse.core.net 1 0 2014-11-27 10:02:57.599 !message system property http.proxyhost not set should 10.11.20.1.  !entry org.eclipse.core.net 1 0 2014-11-27 10:02:57.605 !message system property http.proxyport not set should 8080.  !entry org.eclipse.core.net 1 0 2014-11-27 10:02:57.607 !message system property https.proxyhost not set should 10.11.20.1.  !entry org.eclipse.core.net 1 0 2014-11-27 10:02:57.610 !message system property https.proxyport not set should 8080.  !entry org.eclipse.core.net 1 0 2014-11-27 10:02:57.613 !message system property https.proxyhost not set should 10.11.20.1.  !entry org.eclipse.core.net 1 0 2014-11-27 10:02:57.615 !message system property https.proxyport not set should 8080.  !entry org.eclipse.jface 2 0 2014-11-27 10:03:00.237 !message keybinding conflicts occurred.  may interfere normal accelerator operation. !subentry 1 org.eclipse.jface 2 0 2014-11-27 10:03:00.237 !message conflict occurred ctrl+del: binding(ctrl+del,     parameterizedcommand(command(org.eclipse.datatools.sqltools.result.removeinstance,remove result,         ,         category(org.eclipse.datatools.sqltools.result.category,sql results view,null,true),         ,         ,,true),null),     org.eclipse.ui.defaultacceleratorconfiguration,     org.eclipse.ui.contexts.window,,,system) binding(ctrl+del,     parameterizedcommand(command(org.eclipse.graphiti.ui.internal.action.removeaction,remove,         remove selected pictogram elements,         category(org.eclipse.graphiti.ui.graphiti_category,edit,graphiti diagram editor,true),         ,         ,,true),null),     org.eclipse.ui.defaultacceleratorconfiguration,     org.eclipse.ui.contexts.window,,,system)

i changed ini file include this

 -startup plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar --launcher.library plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.100.v20110502 -product org.eclipse.epp.package.jee.product --launcher.defaultaction openfile --launcher.xxmaxpermsize 1024m -showsplash org.eclipse.platform --launcher.xxmaxpermsize 1024m--launcher.defaultaction openfile -vmargs -dosgi.requiredjavaversion=1.5 -xms40m -xmx512m

and eclipse working fine. due memory space error, increased memory, works.


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