<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:10pt"><div>Hy</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">I get the following error:</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">...</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;"> Caused by: org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration:mvel:org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration'<br> at
org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:313)<br><span class="tab"> </span><span class="tab"> ...</span><br> ... 42 more<br> Caused by: java.lang.ClassCastException: org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration cannot be cast to org.drools.compiler.DialectConfiguration<br> at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:308)<br> ... 51 more</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">I'm using drools in a maven
project, pom.xml:</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">...</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;"> <dependency><br> <groupId>org.drools</groupId><br> <artifactId>drools-compiler</artifactId><br> <version>5.5.0.Final</version><br> </dependency><br> <dependency><br> <groupId>org.drools</groupId><br> <artifactId>drools-core</artifactId><br>
<version>5.5.0.Final</version><br> </dependency></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">...</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">What could cause this error?</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">Thanks for your help.</div><div style="color: rgb(0, 0, 0);
font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">Kind regards,</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">Peter</div></div></body></html>