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Posted to users@maven.apache.org by bkbonner <br...@paraware.com> on 2007/06/08 00:47:00 UTC

loader constraint violation - killerapp example at sonatype

So, one of my guys is taking a look at sonatype's mavenbook example 
http://www.sonatype.com/book/simple-project.html  where it says to run mvn
install on the killerapp project. 

We're seeing this error msg.   Has anyone else seen this problem and how did
they solve it.  I googled a bit and tried using forkMode to get around this
problem to no avail.

Brian

-------------------------------------------------------------------------------
Battery: com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
-------------------------------------------------------------------------------
Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec 

testPersistence(com.training.killerapp.store.xstream.KillerAppXStreamStoreTest) 
Time elapsed: 0.922 sec  <<< ERROR!

[ stdout ] ---------------------------------------------------------------



[ stderr ] ---------------------------------------------------------------



[ stacktrace ] -----------------------------------------------------------

java.lang.LinkageError: loader constraint violation: loader (instance of
<bootloader>) previously initiated loading for a different type with name
"org/xml/sax/InputSource"
	at
com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:218)
	at
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283)
	at
com.thoughtworks.xstream.io.xml.DomDriver.createReader(DomDriver.java:40)
	at
com.thoughtworks.xstream.io.xml.DomDriver.createReader(DomDriver.java:29)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
	at
com.training.killerapp.store.xstream.KillerAppXStreamStore.read(KillerAppXStreamStore.java:193)
	at
com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser(KillerAppXStreamStore.java:134)
	at
com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testPersistence(KillerAppXStreamStoreTest.java:63)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at junit.framework.TestCase.runTest(TestCase.java:154)
	at junit.framework.TestCase.runBare(TestCase.java:127)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:118)
	at junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at
org.apache.maven.surefire.battery.JUnitBattery.executeJUnit(JUnitBattery.java:230)
	at
org.apache.maven.surefire.battery.JUnitBattery.execute(JUnitBattery.java:204)
	at org.apache.maven.surefire.Surefire.executeBattery(Surefire.java:213)
	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at
org.apache.maven.surefire.SurefireBooter.runTestsInProcess(SurefireBooter.java:232)
	at org.apache.maven.surefire.SurefireBooter.run(SurefireBooter.java:181)
	at org.apache.maven.test.SurefirePlugin.execute(SurefirePlugin.java:338)
	at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
	at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
	at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
	at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
	at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
	at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
	at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
	at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)



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Re: loader constraint violation - killerapp example at sonatype

Posted by bkbonner <br...@paraware.com>.
Yes, I have jdk1.6.  but I set JAVA_HOME to point to a jdk1.4.2 directory. 
I'll follow your other tasks and respond back.

Brian


Jason van Zyl-2 wrote:
> 
> I see on the m2eclipse list you're using JDK 1.6 which we haven't  
> tested our examples with just FYI.
> 
> On 7 Jun 07, at 7:11 PM 7 Jun 07, Jason van Zyl wrote:
> 
>> Need to know what version of Maven, and if you're starting from  
>> scratch I assume the latest released version of surefire which has  
>> some problems.
>>
>> Look in your local repository:
>>
>> 1. remove  $localRepository/org/apache/maven/plugins/maven-surefire- 
>> plugin
>> 2. reset the killerapp back to its original state
>> 3. run the example again
>> 4. Tell me what's in $localRepository/org/apache/maven/plugins/ 
>> maven-surefire-plugin
>>
>> Then I know what version of Maven and the Surefire plugin and I can  
>> help you.
>>
>> On 7 Jun 07, at 6:47 PM 7 Jun 07, bkbonner wrote:
>>
>>>
>>> So, one of my guys is taking a look at sonatype's mavenbook example
>>> http://www.sonatype.com/book/simple-project.html  where it says to  
>>> run mvn
>>> install on the killerapp project.
>>>
>>> We're seeing this error msg.   Has anyone else seen this problem  
>>> and how did
>>> they solve it.  I googled a bit and tried using forkMode to get  
>>> around this
>>> problem to no avail.
>>>
>>> Brian
>>>
>>> --------------------------------------------------------------------- 
>>> ----------
>>> Battery:  
>>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
>>> --------------------------------------------------------------------- 
>>> ----------
>>> Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec
>>>
>>> testPersistence 
>>> (com.training.killerapp.store.xstream.KillerAppXStreamStoreTest)
>>> Time elapsed: 0.922 sec  <<< ERROR!
>>>
>>> [ stdout ]  
>>> ---------------------------------------------------------------
>>>
>>>
>>>
>>> [ stderr ]  
>>> ---------------------------------------------------------------
>>>
>>>
>>>
>>> [ stacktrace ]  
>>> -----------------------------------------------------------
>>>
>>> java.lang.LinkageError: loader constraint violation: loader  
>>> (instance of
>>> <bootloader>) previously initiated loading for a different type  
>>> with name
>>> "org/xml/sax/InputSource"
>>> 	at
>>> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse 
>>> (DOMParser.java:218)
>>> 	at
>>> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse 
>>> (DocumentBuilderImpl.java:283)
>>> 	at
>>> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
>>> (DomDriver.java:40)
>>> 	at
>>> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
>>> (DomDriver.java:29)
>>> 	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
>>> 	at
>>> com.training.killerapp.store.xstream.KillerAppXStreamStore.read 
>>> (KillerAppXStreamStore.java:193)
>>> 	at
>>> com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser 
>>> (KillerAppXStreamStore.java:134)
>>> 	at
>>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testPe 
>>> rsistence(KillerAppXStreamStoreTest.java:63)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke 
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at junit.framework.TestCase.runTest(TestCase.java:154)
>>> 	at junit.framework.TestCase.runBare(TestCase.java:127)
>>> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
>>> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
>>> 	at junit.framework.TestResult.run(TestResult.java:109)
>>> 	at junit.framework.TestCase.run(TestCase.java:118)
>>> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
>>> 	at junit.framework.TestSuite.run(TestSuite.java:203)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke 
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at
>>> org.apache.maven.surefire.battery.JUnitBattery.executeJUnit 
>>> (JUnitBattery.java:230)
>>> 	at
>>> org.apache.maven.surefire.battery.JUnitBattery.execute 
>>> (JUnitBattery.java:204)
>>> 	at org.apache.maven.surefire.Surefire.executeBattery 
>>> (Surefire.java:213)
>>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
>>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke 
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at
>>> org.apache.maven.surefire.SurefireBooter.runTestsInProcess 
>>> (SurefireBooter.java:232)
>>> 	at org.apache.maven.surefire.SurefireBooter.run 
>>> (SurefireBooter.java:181)
>>> 	at org.apache.maven.test.SurefirePlugin.execute 
>>> (SurefirePlugin.java:338)
>>> 	at
>>> org.apache.maven.plugin.DefaultPluginManager.executeMojo 
>>> (DefaultPluginManager.java:443)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals 
>>> (DefaultLifecycleExecutor.java:539)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi 
>>> fecycle(DefaultLifecycleExecutor.java:480)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal 
>>> (DefaultLifecycleExecutor.java:459)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan 
>>> dleFailures(DefaultLifecycleExecutor.java:311)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen 
>>> ts(DefaultLifecycleExecutor.java:278)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute 
>>> (DefaultLifecycleExecutor.java:143)
>>> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
>>> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
>>> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke 
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java: 
>>> 315)
>>> 	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>>> 	at org.codehaus.classworlds.Launcher.mainWithExitCode 
>>> (Launcher.java:430)
>>> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>>>
>>>
>>>
>>> -- 
>>> View this message in context: http://www.nabble.com/loader- 
>>> constraint-violation---killerapp-example-at-sonatype- 
>>> tf3886824s177.html#a11017677
>>> Sent from the Maven - Users mailing list archive at Nabble.com.
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>>> For additional commands, e-mail: users-help@maven.apache.org
>>>
>>>
>>
>> Thanks,
>>
>> Jason
>>
>> ----------------------------------------------------------
>> Jason van Zyl
>> Founder and PMC Chair, Apache Maven
>> jason at sonatype dot com
>> ----------------------------------------------------------
>>
>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>> For additional commands, e-mail: users-help@maven.apache.org
>>
>>
> 
> Thanks,
> 
> Jason
> 
> ----------------------------------------------------------
> Jason van Zyl
> Founder and PMC Chair, Apache Maven
> jason at sonatype dot com
> ----------------------------------------------------------
> 
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
> 
> 
> 

-- 
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Re: loader constraint violation - killerapp example at sonatype

Posted by Jason van Zyl <ja...@maven.org>.
I see on the m2eclipse list you're using JDK 1.6 which we haven't  
tested our examples with just FYI.

On 7 Jun 07, at 7:11 PM 7 Jun 07, Jason van Zyl wrote:

> Need to know what version of Maven, and if you're starting from  
> scratch I assume the latest released version of surefire which has  
> some problems.
>
> Look in your local repository:
>
> 1. remove  $localRepository/org/apache/maven/plugins/maven-surefire- 
> plugin
> 2. reset the killerapp back to its original state
> 3. run the example again
> 4. Tell me what's in $localRepository/org/apache/maven/plugins/ 
> maven-surefire-plugin
>
> Then I know what version of Maven and the Surefire plugin and I can  
> help you.
>
> On 7 Jun 07, at 6:47 PM 7 Jun 07, bkbonner wrote:
>
>>
>> So, one of my guys is taking a look at sonatype's mavenbook example
>> http://www.sonatype.com/book/simple-project.html  where it says to  
>> run mvn
>> install on the killerapp project.
>>
>> We're seeing this error msg.   Has anyone else seen this problem  
>> and how did
>> they solve it.  I googled a bit and tried using forkMode to get  
>> around this
>> problem to no avail.
>>
>> Brian
>>
>> --------------------------------------------------------------------- 
>> ----------
>> Battery:  
>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
>> --------------------------------------------------------------------- 
>> ----------
>> Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec
>>
>> testPersistence 
>> (com.training.killerapp.store.xstream.KillerAppXStreamStoreTest)
>> Time elapsed: 0.922 sec  <<< ERROR!
>>
>> [ stdout ]  
>> ---------------------------------------------------------------
>>
>>
>>
>> [ stderr ]  
>> ---------------------------------------------------------------
>>
>>
>>
>> [ stacktrace ]  
>> -----------------------------------------------------------
>>
>> java.lang.LinkageError: loader constraint violation: loader  
>> (instance of
>> <bootloader>) previously initiated loading for a different type  
>> with name
>> "org/xml/sax/InputSource"
>> 	at
>> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse 
>> (DOMParser.java:218)
>> 	at
>> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse 
>> (DocumentBuilderImpl.java:283)
>> 	at
>> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
>> (DomDriver.java:40)
>> 	at
>> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
>> (DomDriver.java:29)
>> 	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
>> 	at
>> com.training.killerapp.store.xstream.KillerAppXStreamStore.read 
>> (KillerAppXStreamStore.java:193)
>> 	at
>> com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser 
>> (KillerAppXStreamStore.java:134)
>> 	at
>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testPe 
>> rsistence(KillerAppXStreamStoreTest.java:63)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at junit.framework.TestCase.runTest(TestCase.java:154)
>> 	at junit.framework.TestCase.runBare(TestCase.java:127)
>> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
>> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
>> 	at junit.framework.TestResult.run(TestResult.java:109)
>> 	at junit.framework.TestCase.run(TestCase.java:118)
>> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
>> 	at junit.framework.TestSuite.run(TestSuite.java:203)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at
>> org.apache.maven.surefire.battery.JUnitBattery.executeJUnit 
>> (JUnitBattery.java:230)
>> 	at
>> org.apache.maven.surefire.battery.JUnitBattery.execute 
>> (JUnitBattery.java:204)
>> 	at org.apache.maven.surefire.Surefire.executeBattery 
>> (Surefire.java:213)
>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at
>> org.apache.maven.surefire.SurefireBooter.runTestsInProcess 
>> (SurefireBooter.java:232)
>> 	at org.apache.maven.surefire.SurefireBooter.run 
>> (SurefireBooter.java:181)
>> 	at org.apache.maven.test.SurefirePlugin.execute 
>> (SurefirePlugin.java:338)
>> 	at
>> org.apache.maven.plugin.DefaultPluginManager.executeMojo 
>> (DefaultPluginManager.java:443)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals 
>> (DefaultLifecycleExecutor.java:539)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi 
>> fecycle(DefaultLifecycleExecutor.java:480)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal 
>> (DefaultLifecycleExecutor.java:459)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan 
>> dleFailures(DefaultLifecycleExecutor.java:311)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen 
>> ts(DefaultLifecycleExecutor.java:278)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute 
>> (DefaultLifecycleExecutor.java:143)
>> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
>> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
>> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java: 
>> 315)
>> 	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>> 	at org.codehaus.classworlds.Launcher.mainWithExitCode 
>> (Launcher.java:430)
>> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>>
>>
>>
>> -- 
>> View this message in context: http://www.nabble.com/loader- 
>> constraint-violation---killerapp-example-at-sonatype- 
>> tf3886824s177.html#a11017677
>> Sent from the Maven - Users mailing list archive at Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>> For additional commands, e-mail: users-help@maven.apache.org
>>
>>
>
> Thanks,
>
> Jason
>
> ----------------------------------------------------------
> Jason van Zyl
> Founder and PMC Chair, Apache Maven
> jason at sonatype dot com
> ----------------------------------------------------------
>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>
>

Thanks,

Jason

----------------------------------------------------------
Jason van Zyl
Founder and PMC Chair, Apache Maven
jason at sonatype dot com
----------------------------------------------------------




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Re: loader constraint violation - killerapp example at sonatype

Posted by Jason van Zyl <ja...@maven.org>.
On 7 Jun 07, at 10:44 PM 7 Jun 07, bkbonner wrote:

>
> Jason,
>
> I was going to ask this in another post -- I had a litany of  
> versions of the
> surefire plugin out in the directory.  The version that is there  
> right now
> is 2.3.
>
> The version of maven is 2.0.6.  I tried JDK 1.4.2, but got this error:
>
> Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:  
> 0.11 sec <<<
> FAILURE!
> testUpdatePage 
> (com.training.killerapp.store.memory.KillerAppMemoryStoreTest)
> Time elapsed: 0.016 sec  <<< ERROR!
> java.lang.NoSuchMethodError: java.lang.Integer.valueOf(I)Ljava/lang/ 
> Integer;
>
> Based on this, I think I need jdk1.5.
>

I know it works with 1.5, I've honestly not tested it with 1.6.

> Brian
>
>
> Jason van Zyl-2 wrote:
>>
>> Need to know what version of Maven, and if you're starting from
>> scratch I assume the latest released version of surefire which has
>> some problems.
>>
>> Look in your local repository:
>>
>> 1. remove  $localRepository/org/apache/maven/plugins/maven-surefire-
>> plugin
>> 2. reset the killerapp back to its original state
>> 3. run the example again
>> 4. Tell me what's in $localRepository/org/apache/maven/plugins/maven-
>> surefire-plugin
>>
>> Then I know what version of Maven and the Surefire plugin and I can
>> help you.
>>
>> On 7 Jun 07, at 6:47 PM 7 Jun 07, bkbonner wrote:
>>
>>>
>>> So, one of my guys is taking a look at sonatype's mavenbook example
>>> http://www.sonatype.com/book/simple-project.html  where it says to
>>> run mvn
>>> install on the killerapp project.
>>>
>>> We're seeing this error msg.   Has anyone else seen this problem
>>> and how did
>>> they solve it.  I googled a bit and tried using forkMode to get
>>> around this
>>> problem to no avail.
>>>
>>> Brian
>>>
>>> -------------------------------------------------------------------- 
>>> --
>>> ---------
>>> Battery:
>>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
>>> -------------------------------------------------------------------- 
>>> --
>>> ---------
>>> Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec
>>>
>>> testPersistence
>>> (com.training.killerapp.store.xstream.KillerAppXStreamStoreTest)
>>> Time elapsed: 0.922 sec  <<< ERROR!
>>>
>>> [ stdout ]
>>> ---------------------------------------------------------------
>>>
>>>
>>>
>>> [ stderr ]
>>> ---------------------------------------------------------------
>>>
>>>
>>>
>>> [ stacktrace ]
>>> -----------------------------------------------------------
>>>
>>> java.lang.LinkageError: loader constraint violation: loader
>>> (instance of
>>> <bootloader>) previously initiated loading for a different type
>>> with name
>>> "org/xml/sax/InputSource"
>>> 	at
>>> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse
>>> (DOMParser.java:218)
>>> 	at
>>> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse
>>> (DocumentBuilderImpl.java:283)
>>> 	at
>>> com.thoughtworks.xstream.io.xml.DomDriver.createReader
>>> (DomDriver.java:40)
>>> 	at
>>> com.thoughtworks.xstream.io.xml.DomDriver.createReader
>>> (DomDriver.java:29)
>>> 	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
>>> 	at
>>> com.training.killerapp.store.xstream.KillerAppXStreamStore.read
>>> (KillerAppXStreamStore.java:193)
>>> 	at
>>> com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser
>>> (KillerAppXStreamStore.java:134)
>>> 	at
>>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testP 
>>> er
>>> sistence(KillerAppXStreamStoreTest.java:63)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at junit.framework.TestCase.runTest(TestCase.java:154)
>>> 	at junit.framework.TestCase.runBare(TestCase.java:127)
>>> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
>>> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
>>> 	at junit.framework.TestResult.run(TestResult.java:109)
>>> 	at junit.framework.TestCase.run(TestCase.java:118)
>>> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
>>> 	at junit.framework.TestSuite.run(TestSuite.java:203)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at
>>> org.apache.maven.surefire.battery.JUnitBattery.executeJUnit
>>> (JUnitBattery.java:230)
>>> 	at
>>> org.apache.maven.surefire.battery.JUnitBattery.execute
>>> (JUnitBattery.java:204)
>>> 	at org.apache.maven.surefire.Surefire.executeBattery(Surefire.java:
>>> 213)
>>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
>>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at
>>> org.apache.maven.surefire.SurefireBooter.runTestsInProcess
>>> (SurefireBooter.java:232)
>>> 	at org.apache.maven.surefire.SurefireBooter.run
>>> (SurefireBooter.java:181)
>>> 	at org.apache.maven.test.SurefirePlugin.execute
>>> (SurefirePlugin.java:338)
>>> 	at
>>> org.apache.maven.plugin.DefaultPluginManager.executeMojo
>>> (DefaultPluginManager.java:443)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals
>>> (DefaultLifecycleExecutor.java:539)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithL 
>>> if
>>> ecycle(DefaultLifecycleExecutor.java:480)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal
>>> (DefaultLifecycleExecutor.java:459)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHa 
>>> nd
>>> leFailures(DefaultLifecycleExecutor.java:311)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegme 
>>> nt
>>> s(DefaultLifecycleExecutor.java:278)
>>> 	at
>>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute
>>> (DefaultLifecycleExecutor.java:143)
>>> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
>>> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
>>> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke
>>> (NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke
>>> (DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:
>>> 315)
>>> 	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>>> 	at org.codehaus.classworlds.Launcher.mainWithExitCode
>>> (Launcher.java:430)
>>> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>>>
>>>
>>>
>>> -- 
>>> View this message in context: http://www.nabble.com/loader-
>>> constraint-violation---killerapp-example-at-sonatype-
>>> tf3886824s177.html#a11017677
>>> Sent from the Maven - Users mailing list archive at Nabble.com.
>>>
>>>
>>> -------------------------------------------------------------------- 
>>> -
>>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>>> For additional commands, e-mail: users-help@maven.apache.org
>>>
>>>
>>
>> Thanks,
>>
>> Jason
>>
>> ----------------------------------------------------------
>> Jason van Zyl
>> Founder and PMC Chair, Apache Maven
>> jason at sonatype dot com
>> ----------------------------------------------------------
>>
>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>> For additional commands, e-mail: users-help@maven.apache.org
>>
>>
>>
>
> -- 
> View this message in context: http://www.nabble.com/loader- 
> constraint-violation---killerapp-example-at-sonatype- 
> tf3886824s177.html#a11019647
> Sent from the Maven - Users mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>
>

Thanks,

Jason

----------------------------------------------------------
Jason van Zyl
Founder and PMC Chair, Apache Maven
jason at sonatype dot com
----------------------------------------------------------




---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
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Re: loader constraint violation - killerapp example at sonatype

Posted by bkbonner <br...@paraware.com>.
Jason,

I was going to ask this in another post -- I had a litany of versions of the
surefire plugin out in the directory.  The version that is there right now
is 2.3.

The version of maven is 2.0.6.  I tried JDK 1.4.2, but got this error:

Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.11 sec <<<
FAILURE!
testUpdatePage(com.training.killerapp.store.memory.KillerAppMemoryStoreTest) 
Time elapsed: 0.016 sec  <<< ERROR!
java.lang.NoSuchMethodError: java.lang.Integer.valueOf(I)Ljava/lang/Integer;

Based on this, I think I need jdk1.5.

Brian


Jason van Zyl-2 wrote:
> 
> Need to know what version of Maven, and if you're starting from  
> scratch I assume the latest released version of surefire which has  
> some problems.
> 
> Look in your local repository:
> 
> 1. remove  $localRepository/org/apache/maven/plugins/maven-surefire- 
> plugin
> 2. reset the killerapp back to its original state
> 3. run the example again
> 4. Tell me what's in $localRepository/org/apache/maven/plugins/maven- 
> surefire-plugin
> 
> Then I know what version of Maven and the Surefire plugin and I can  
> help you.
> 
> On 7 Jun 07, at 6:47 PM 7 Jun 07, bkbonner wrote:
> 
>>
>> So, one of my guys is taking a look at sonatype's mavenbook example
>> http://www.sonatype.com/book/simple-project.html  where it says to  
>> run mvn
>> install on the killerapp project.
>>
>> We're seeing this error msg.   Has anyone else seen this problem  
>> and how did
>> they solve it.  I googled a bit and tried using forkMode to get  
>> around this
>> problem to no avail.
>>
>> Brian
>>
>> ---------------------------------------------------------------------- 
>> ---------
>> Battery:  
>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
>> ---------------------------------------------------------------------- 
>> ---------
>> Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec
>>
>> testPersistence 
>> (com.training.killerapp.store.xstream.KillerAppXStreamStoreTest)
>> Time elapsed: 0.922 sec  <<< ERROR!
>>
>> [ stdout ]  
>> ---------------------------------------------------------------
>>
>>
>>
>> [ stderr ]  
>> ---------------------------------------------------------------
>>
>>
>>
>> [ stacktrace ]  
>> -----------------------------------------------------------
>>
>> java.lang.LinkageError: loader constraint violation: loader  
>> (instance of
>> <bootloader>) previously initiated loading for a different type  
>> with name
>> "org/xml/sax/InputSource"
>> 	at
>> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse 
>> (DOMParser.java:218)
>> 	at
>> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse 
>> (DocumentBuilderImpl.java:283)
>> 	at
>> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
>> (DomDriver.java:40)
>> 	at
>> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
>> (DomDriver.java:29)
>> 	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
>> 	at
>> com.training.killerapp.store.xstream.KillerAppXStreamStore.read 
>> (KillerAppXStreamStore.java:193)
>> 	at
>> com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser 
>> (KillerAppXStreamStore.java:134)
>> 	at
>> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testPer 
>> sistence(KillerAppXStreamStoreTest.java:63)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at junit.framework.TestCase.runTest(TestCase.java:154)
>> 	at junit.framework.TestCase.runBare(TestCase.java:127)
>> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
>> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
>> 	at junit.framework.TestResult.run(TestResult.java:109)
>> 	at junit.framework.TestCase.run(TestCase.java:118)
>> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
>> 	at junit.framework.TestSuite.run(TestSuite.java:203)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at
>> org.apache.maven.surefire.battery.JUnitBattery.executeJUnit 
>> (JUnitBattery.java:230)
>> 	at
>> org.apache.maven.surefire.battery.JUnitBattery.execute 
>> (JUnitBattery.java:204)
>> 	at org.apache.maven.surefire.Surefire.executeBattery(Surefire.java: 
>> 213)
>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
>> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at
>> org.apache.maven.surefire.SurefireBooter.runTestsInProcess 
>> (SurefireBooter.java:232)
>> 	at org.apache.maven.surefire.SurefireBooter.run 
>> (SurefireBooter.java:181)
>> 	at org.apache.maven.test.SurefirePlugin.execute 
>> (SurefirePlugin.java:338)
>> 	at
>> org.apache.maven.plugin.DefaultPluginManager.executeMojo 
>> (DefaultPluginManager.java:443)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals 
>> (DefaultLifecycleExecutor.java:539)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLif 
>> ecycle(DefaultLifecycleExecutor.java:480)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal 
>> (DefaultLifecycleExecutor.java:459)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHand 
>> leFailures(DefaultLifecycleExecutor.java:311)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegment 
>> s(DefaultLifecycleExecutor.java:278)
>> 	at
>> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute 
>> (DefaultLifecycleExecutor.java:143)
>> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
>> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
>> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at
>> sun.reflect.NativeMethodAccessorImpl.invoke 
>> (NativeMethodAccessorImpl.java:39)
>> 	at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke 
>> (DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>> 	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java: 
>> 315)
>> 	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>> 	at org.codehaus.classworlds.Launcher.mainWithExitCode 
>> (Launcher.java:430)
>> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>>
>>
>>
>> -- 
>> View this message in context: http://www.nabble.com/loader- 
>> constraint-violation---killerapp-example-at-sonatype- 
>> tf3886824s177.html#a11017677
>> Sent from the Maven - Users mailing list archive at Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>> For additional commands, e-mail: users-help@maven.apache.org
>>
>>
> 
> Thanks,
> 
> Jason
> 
> ----------------------------------------------------------
> Jason van Zyl
> Founder and PMC Chair, Apache Maven
> jason at sonatype dot com
> ----------------------------------------------------------
> 
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
> 
> 
> 

-- 
View this message in context: http://www.nabble.com/loader-constraint-violation---killerapp-example-at-sonatype-tf3886824s177.html#a11019647
Sent from the Maven - Users mailing list archive at Nabble.com.


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Re: loader constraint violation - killerapp example at sonatype

Posted by Jason van Zyl <ja...@maven.org>.
Need to know what version of Maven, and if you're starting from  
scratch I assume the latest released version of surefire which has  
some problems.

Look in your local repository:

1. remove  $localRepository/org/apache/maven/plugins/maven-surefire- 
plugin
2. reset the killerapp back to its original state
3. run the example again
4. Tell me what's in $localRepository/org/apache/maven/plugins/maven- 
surefire-plugin

Then I know what version of Maven and the Surefire plugin and I can  
help you.

On 7 Jun 07, at 6:47 PM 7 Jun 07, bkbonner wrote:

>
> So, one of my guys is taking a look at sonatype's mavenbook example
> http://www.sonatype.com/book/simple-project.html  where it says to  
> run mvn
> install on the killerapp project.
>
> We're seeing this error msg.   Has anyone else seen this problem  
> and how did
> they solve it.  I googled a bit and tried using forkMode to get  
> around this
> problem to no avail.
>
> Brian
>
> ---------------------------------------------------------------------- 
> ---------
> Battery:  
> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
> ---------------------------------------------------------------------- 
> ---------
> Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec
>
> testPersistence 
> (com.training.killerapp.store.xstream.KillerAppXStreamStoreTest)
> Time elapsed: 0.922 sec  <<< ERROR!
>
> [ stdout ]  
> ---------------------------------------------------------------
>
>
>
> [ stderr ]  
> ---------------------------------------------------------------
>
>
>
> [ stacktrace ]  
> -----------------------------------------------------------
>
> java.lang.LinkageError: loader constraint violation: loader  
> (instance of
> <bootloader>) previously initiated loading for a different type  
> with name
> "org/xml/sax/InputSource"
> 	at
> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse 
> (DOMParser.java:218)
> 	at
> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse 
> (DocumentBuilderImpl.java:283)
> 	at
> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
> (DomDriver.java:40)
> 	at
> com.thoughtworks.xstream.io.xml.DomDriver.createReader 
> (DomDriver.java:29)
> 	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
> 	at
> com.training.killerapp.store.xstream.KillerAppXStreamStore.read 
> (KillerAppXStreamStore.java:193)
> 	at
> com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser 
> (KillerAppXStreamStore.java:134)
> 	at
> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testPer 
> sistence(KillerAppXStreamStoreTest.java:63)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at
> org.apache.maven.surefire.battery.JUnitBattery.executeJUnit 
> (JUnitBattery.java:230)
> 	at
> org.apache.maven.surefire.battery.JUnitBattery.execute 
> (JUnitBattery.java:204)
> 	at org.apache.maven.surefire.Surefire.executeBattery(Surefire.java: 
> 213)
> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at
> org.apache.maven.surefire.SurefireBooter.runTestsInProcess 
> (SurefireBooter.java:232)
> 	at org.apache.maven.surefire.SurefireBooter.run 
> (SurefireBooter.java:181)
> 	at org.apache.maven.test.SurefirePlugin.execute 
> (SurefirePlugin.java:338)
> 	at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo 
> (DefaultPluginManager.java:443)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals 
> (DefaultLifecycleExecutor.java:539)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLif 
> ecycle(DefaultLifecycleExecutor.java:480)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal 
> (DefaultLifecycleExecutor.java:459)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHand 
> leFailures(DefaultLifecycleExecutor.java:311)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegment 
> s(DefaultLifecycleExecutor.java:278)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute 
> (DefaultLifecycleExecutor.java:143)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java: 
> 315)
> 	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> 	at org.codehaus.classworlds.Launcher.mainWithExitCode 
> (Launcher.java:430)
> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>
>
>
> -- 
> View this message in context: http://www.nabble.com/loader- 
> constraint-violation---killerapp-example-at-sonatype- 
> tf3886824s177.html#a11017677
> Sent from the Maven - Users mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>
>

Thanks,

Jason

----------------------------------------------------------
Jason van Zyl
Founder and PMC Chair, Apache Maven
jason at sonatype dot com
----------------------------------------------------------




---------------------------------------------------------------------
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Re: loader constraint violation - killerapp example at sonatype

Posted by bkbonner <br...@paraware.com>.
To be more specific, I added:

<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-surefire-plugin</artifactId>
				<version>2.2</version>
				<configuration>
					<forkMode>always</forkMode>
				</configuration>
			</plugin>
		</plugins>
	</build>

to the pom.xml in the killlerapp-store-xstream project.



bkbonner wrote:
> 
> So, one of my guys is taking a look at sonatype's mavenbook example 
> http://www.sonatype.com/book/simple-project.html  where it says to run mvn
> install on the killerapp project. 
> 
> We're seeing this error msg.   Has anyone else seen this problem and how
> did they solve it.  I googled a bit and tried using forkMode to get around
> this problem to no avail.
> 
> Brian
> 
> -------------------------------------------------------------------------------
> Battery: com.training.killerapp.store.xstream.KillerAppXStreamStoreTest
> -------------------------------------------------------------------------------
> Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.953 sec 
> 
> testPersistence(com.training.killerapp.store.xstream.KillerAppXStreamStoreTest) 
> Time elapsed: 0.922 sec  <<< ERROR!
> 
> [ stdout ] ---------------------------------------------------------------
> 
> 
> 
> [ stderr ] ---------------------------------------------------------------
> 
> 
> 
> [ stacktrace ] -----------------------------------------------------------
> 
> java.lang.LinkageError: loader constraint violation: loader (instance of
> <bootloader>) previously initiated loading for a different type with name
> "org/xml/sax/InputSource"
> 	at
> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:218)
> 	at
> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283)
> 	at
> com.thoughtworks.xstream.io.xml.DomDriver.createReader(DomDriver.java:40)
> 	at
> com.thoughtworks.xstream.io.xml.DomDriver.createReader(DomDriver.java:29)
> 	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
> 	at
> com.training.killerapp.store.xstream.KillerAppXStreamStore.read(KillerAppXStreamStore.java:193)
> 	at
> com.training.killerapp.store.xstream.KillerAppXStreamStore.getUser(KillerAppXStreamStore.java:134)
> 	at
> com.training.killerapp.store.xstream.KillerAppXStreamStoreTest.testPersistence(KillerAppXStreamStoreTest.java:63)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at
> org.apache.maven.surefire.battery.JUnitBattery.executeJUnit(JUnitBattery.java:230)
> 	at
> org.apache.maven.surefire.battery.JUnitBattery.execute(JUnitBattery.java:204)
> 	at org.apache.maven.surefire.Surefire.executeBattery(Surefire.java:213)
> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:161)
> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:85)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at
> org.apache.maven.surefire.SurefireBooter.runTestsInProcess(SurefireBooter.java:232)
> 	at org.apache.maven.surefire.SurefireBooter.run(SurefireBooter.java:181)
> 	at org.apache.maven.test.SurefirePlugin.execute(SurefirePlugin.java:338)
> 	at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
> 	at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> 	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> 	at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> 
> 
> 
> 

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