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https://issues.apache.org/jira/browse/KARAF-189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907560#action_12907560
]
guillaume delafosse commented on KARAF-189:
-------------------------------------------
I also reproduced with an empty main program running with the
karaf/lib/endorsed file.
I recompiled your Exception class and commented some lines in order to isolate
the trouble (see below). Finally I obtained to following exception :
Exception in thread "(unnamed thread)" java/lang/ExceptionInInitializerError
at java/lang/J9VMInternals.initialize (J9VMInternals.java:222)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:167)
at java/lang/Exception.<clinit> (Exception.java:82)
at java/lang/J9VMInternals.initializeImpl (Native Method)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:200)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:167)
java/lang/NullPointerException
at java/lang/SecurityManager.getRootGroup (SecurityManager.java:605)
at java/lang/SecurityManager.<clinit> (SecurityManager.java:602)
at java/lang/J9VMInternals.initializeImpl (Native Method)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:200)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:167)
at java/lang/Exception.<clinit> (Exception.java:82)
at java/lang/J9VMInternals.initializeImpl (Native Method)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:200)
at java/lang/J9VMInternals.initialize (J9VMInternals.java:167)
JVMJ9VM015W Initialization error for library jclscar_24(14): JVMJ9VM009E
J9VMDllMain failed
Could not create the Java virtual machine.
I had a look at SecurityManager.java:605, so it seems that IBM JVM 6 returns
null for Thread.currentThread() at this moment.
It clearly looks an IBM bug.
/***************** My modified Exception class ***************************/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.lang;
/**
* {...@code Exception} is the superclass of all classes that represent
recoverable
* exceptions. When exceptions are thrown, they may be caught by application
* code.
*
* @see Throwable
* @see Error
* @see RuntimeException
*/
public class Exception extends Throwable {
private static final long serialVersionUID = -3387516993124229948L;
// private transient Class[] classContext =
sm.getThrowableContext(this);
/**
* Constructs a new {...@code Exception} that includes the current
stack trace.
*/
public Exception() {
super();
}
/**
* Constructs a new {...@code Exception} with the current stack trace
and the
* specified detail message.
*
* @param detailMessage
* the detail message for this exception.
*/
public Exception(String detailMessage) {
super(detailMessage);
}
/**
* Constructs a new {...@code Exception} with the current stack trace,
the
* specified detail message and the specified cause.
*
* @param detailMessage
* the detail message for this exception.
* @param throwable
* the cause of this exception.
*/
public Exception(String detailMessage, Throwable throwable) {
super(detailMessage, throwable);
}
/**
* Constructs a new {...@code Exception} with the current stack trace
and the
* specified cause.
*
* @param throwable
* the cause of this exception.
*/
public Exception(Throwable throwable) {
super(throwable);
}
public Class[] getClassContext() {
// return classContext;
return null;
}
private static final SecurityManagerEx sm = new SecurityManagerEx();
static class SecurityManagerEx extends SecurityManager {
public Class[] getClassContext() {
return super.getClassContext();
}
public Class[] getThrowableContext(Throwable t) {
try {
Class[] context = getClassContext();
int nb = 0;
for (;;) {
if (context[context.length - 1 - nb] ==
t.getClass()) {
break;
}
nb++;
}
Class[] nc = new Class[nb];
System.arraycopy(context, context.length - nb,
nc, 0, nb);
return nc;
} catch (Exception e) {
return null;
}
}
}
}
> Java endorsed dirs on AIX (IBM JVM)
> -----------------------------------
>
> Key: KARAF-189
> URL: https://issues.apache.org/jira/browse/KARAF-189
> Project: Karaf
> Issue Type: Bug
> Affects Versions: 2.0.0
> Environment: AIX 5.3, IBM jre 1.6 sr8, power-pc
> Ubuntu linux 10.04, IBM jre sr8, x86
> Reporter: haedri
> Priority: Minor
>
> I have troubles launching karaf 2.0 on AIX, using an IBM jre (1.6 sr8), here
> are the relevant lines of the output :
> IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 AIX ppc-32
> jvmap3260sr8-20100401_55940 (JIT enabled, AOT enabled)
> Unhandled exception
> Type=Segmentation error vmState=0x00000000
> (...)
> After trying everything possible (setting LDR_CTRL, LIBPATH, ulimit,...) it
> appears the problem is linked to the "-Djava.endorsed.dirs" parameter from
> the java startup command line, if I remove the "${KARAF_HOME}/lib/endorsed"
> entry, then karaf starts successfully.
> I've been able to reproduce the problem on a linux ubuntu on a x86 processor,
> using the same IBM jvm version
> (http://www.ibm.com/developerworks/java/jdk/linux/download.html)
> I think problem comes from IBM jre (because it works on a jre 1.6 sr0), but I
> din't investigate enough to be sure
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