java.lang.NoSuchMethodError: org.drools.util.CompositeClassLoader.clone()Lorg/drools/util/CompositeClassLoader;

Stack Overflow | Mani Vempati | 2 weeks ago
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    Runtime exception with Drools(org.drools.util.CompositeClassLoader.clone()Lorg/drools/util/CompositeClassLoader)

    Stack Overflow | 2 weeks ago | Mani Vempati
    java.lang.NoSuchMethodError: org.drools.util.CompositeClassLoader.clone()Lorg/drools/util/CompositeClassLoader;
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    jboss.org | 1 year ago
    org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java:org.drools.rule.builder.dialect.java.JavaDialectConfiguration'
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    Drools执行报错 The Eclipse JDT Core jar is not in the classpath . - CSDN博客

    csdn.net | 1 year ago
    org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java'

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    Root Cause Analysis

    1. java.lang.NoSuchMethodError

      org.drools.util.CompositeClassLoader.clone()Lorg/drools/util/CompositeClassLoader;

      at org.drools.compiler.PackageBuilderConfiguration.getClassLoader()
    2. org.drools.compiler
      PackageBuilderConfiguration.getClassLoader
      1. org.drools.compiler.PackageBuilderConfiguration.getClassLoader(PackageBuilderConfiguration.java:322)
      1 frame
    3. org.drools.rule
      JavaDialectConfiguration.init
      1. org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler(JavaDialectConfiguration.java:91)
      2. org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:54)
      2 frames
    4. org.drools.compiler
      PackageBuilder.<init>
      1. org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:273)
      2. org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:262)
      3. org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:175)
      4. org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:153)
      5. org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:254)
      6. org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:182)
      6 frames
    5. org.drools.builder
      KnowledgeBuilderFactory.newKnowledgeBuilder
      1. org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl.newKnowledgeBuilder(KnowledgeBuilderFactoryServiceImpl.java:34)
      2. org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:47)
      2 frames
    6. com.sample
      TestExample.main
      1. com.sample.TestExample.readKnowledgeBase(TestExample.java:36)
      2. com.sample.TestExample.ProductClassHolder(TestExample.java:56)
      3. com.sample.TestExample.main(TestExample.java:30)
      3 frames