C:\IDE\S1S_5.0\bin>runide.exe -jdkhome C:\j2sdk1.4.0-rc -userdir ..\user
Type Groups Level Module Name
---- ------ ----- -----------
err    *     255   * (Default)

Bad info : C:\IDE\S1S_5.0\update\download\corba.nbm
java.lang.NullPointerException
        at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:524)
        at org.apache.crimson.parser.Parser2.parse(Parser2.java:305)
        at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:442)
        at org.apache.crimson.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:185)
        at org.netbeans.updater.XMLUtil.parse(XMLUtil.java:58)
        at org.netbeans.updater.ModuleUpdate.createFromDistribution(ModuleUpdate.java:67)
        at org.netbeans.updater.ModuleUpdate.<init>(ModuleUpdate.java:49)
        at org.netbeans.updater.ModuleUpdater.unpack(ModuleUpdater.java:298)
        at org.netbeans.updater.ModuleUpdater.run(ModuleUpdater.java:131)
java.lang.NullPointerException
        at org.netbeans.updater.ModuleUpdate.getAttribute(ModuleUpdate.java:125)
        at org.netbeans.updater.ModuleUpdate.createFromDistribution(ModuleUpdate.java:94)
        at org.netbeans.updater.ModuleUpdate.<init>(ModuleUpdate.java:49)
        at org.netbeans.updater.ModuleUpdater.unpack(ModuleUpdater.java:298)
        at org.netbeans.updater.ModuleUpdater.run(ModuleUpdater.java:131)

Full thread dump Java HotSpot(TM) Client VM (1.4.0-rc-b91 mixed mode):

"AWT-EventQueue-0" prio=7 tid=0x0CCACE68 nid=0x6a8 waiting on monitor [f86f000..f86fdb4]
        at java.lang.Object.wait(Native Method)
        - waiting on <032017B0> (a java.awt.EventQueue)
        at java.lang.Object.wait(Object.java:426)
        at java.awt.EventQueue.getNextEvent(EventQueue.java:329)
        - locked <032017B0> (a java.awt.EventQueue)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:155)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)

"AWT-Windows" daemon prio=7 tid=0x0CC666F0 nid=0x61c runnable [d65f000..d65fdb4]
        at sun.awt.windows.WToolkit.eventLoop(Native Method)
        at sun.awt.windows.WToolkit.run(WToolkit.java:240)
        at java.lang.Thread.run(Thread.java:536)

"AWT-Shutdown" prio=5 tid=0x0CC66308 nid=0x62c waiting on monitor [d55f000..d55fdb4]
        at java.lang.Object.wait(Native Method)
        - waiting on <032616D8> (a java.lang.Object)
        at java.lang.Object.wait(Object.java:426)
        at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:259)
        - locked <032616D8> (a java.lang.Object)
        at java.lang.Thread.run(Thread.java:536)

"Signal Dispatcher" daemon prio=10 tid=0x0085E0C8 nid=0x638 waiting on monitor [0..0]

"Finalizer" daemon prio=9 tid=0x0CB60E90 nid=0x30c waiting on monitor [d05f000..d05fdb4]
        at java.lang.Object.wait(Native Method)
        - waiting on <032617D8> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:111)
        - locked <032617D8> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:127)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

"Reference Handler" daemon prio=10 tid=0x0CB60230 nid=0x6c4 waiting on monitor [cf5f000..cf5fdb4]
        at java.lang.Object.wait(Native Method)
        - waiting on <03261640> (a java.lang.ref.Reference$Lock)
        at java.lang.Object.wait(Object.java:426)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:113)
        - locked <03261640> (a java.lang.ref.Reference$Lock)

"main" prio=5 tid=0x00854A68 nid=0x408 waiting on monitor [0..12d128]

"VM Thread" prio=5 tid=0x00A074E0 nid=0x64c runnable

"VM Periodic Task Thread" prio=10 tid=0x0085CD60 nid=0x658 waiting on monitor
"Suspend Checker Thread" prio=10 tid=0x0085D6D0 nid=0x650 runnable