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Hello,<br>
<br>
I think you have to add the xstream jar to your classpath.<br>
Here is the Maven dependency :<br>
<br>
<pre class="pom"> <dependency>
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream</artifactId>
<version>1.3.1</version>
</dependency>
</pre>
Best regards,<br>
<br>
Bruno.<br>
<br>
<br>
赵侃侃 a écrit :
<blockquote
cite="mid:AANLkTikADc3J7z9zBJtkKD231n0+KYoCpsGGw5A+9k6Y@mail.gmail.com"
type="cite">Hello,
<div><br>
</div>
<div>I checked out the latest source from svn repository. It compiled
OK and imported the example projects to my eclipse workspace but the
examples run with error.</div>
<div>The two example projects are namely drools-examples-drl
& drools-examples-fusion.</div>
<div><br>
</div>
<div>org.drools.examples.pacman.Main gives the errors:</div>
<div><br>
</div>
<div>
<div>Exception in thread "main" java.lang.NoClassDefFoundError:
com/thoughtworks/xstream/XStream</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.audit.KnowledgeRuntimeLoggerProviderImpl.newThreadedFileLogger(KnowledgeRuntimeLoggerProviderImpl.java:34)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.logger.KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(KnowledgeRuntimeLoggerFactory.java:69)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.examples.pacman.Main.initKsession(Main.java:88)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.examples.pacman.Main.main(Main.java:39)</div>
<div>Caused by: java.lang.ClassNotFoundException:
com.thoughtworks.xstream.XStream</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
java.net.URLClassLoader$1.run(Unknown Source)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
java.security.AccessController.doPrivileged(Native Method)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
java.net.URLClassLoader.findClass(Unknown Source)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
java.lang.ClassLoader.loadClass(Unknown Source)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
java.lang.ClassLoader.loadClass(Unknown Source)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>...
4 more</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>org.drools.examples.broker.Main gives the errors:</div>
<div><br>
</div>
<div>
<div>java.lang.NullPointerException</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.compiler.PackageBuilder.addProcessFromXml(PackageBuilder.java:432)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:468)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.examples.broker.Broker.loadRuleBase(Broker.java:95)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.examples.broker.Broker.createSession(Broker.java:80)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.examples.broker.Broker.<init>(Broker.java:57)</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>at
org.drools.examples.broker.Main.main(Main.java:53)</div>
</div>
<div><br>
</div>
<div>Does anyone experience the similar issues and know how to fix
that?</div>
<div><br>
</div>
<div>Best Regards,</div>
<div>Kevin</div>
<pre wrap="">
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</pre>
</blockquote>
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