Error Log

java.lang.IllegalStateException: Failed to transform class with name org.openmrs.module.emrapi.encounter.mapper.DrugOrderMapper1_10Test. Reason: java.io.IOException: invalid constant type: 18
	at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:219)
	at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:147)
	at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:67)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:348)
	at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.createDelegatorFromClassloader(JUnit4TestSuiteChunkerImpl.java:132)
	at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.createDelegatorFromClassloader(JUnit4TestSuiteChunkerImpl.java:39)
	at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.createTestDelegators(AbstractTestSuiteChunkerImpl.java:217)
	at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.<init>(JUnit4TestSuiteChunkerImpl.java:59)
	at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.<init>(AbstractCommonPowerMockRunner.java:32)
	at org.powermock.modules.junit4.PowerMockRunner.<init>(PowerMockRunner.java:33)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:29)
	at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:21)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
	at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
	at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:26)
	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:51)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:115)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:102)
	at org.apache.maven.surefire.Surefire.run(Surefire.java:180)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:350)
	at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1021)
Caused by: java.lang.RuntimeException: java.io.IOException: invalid constant type: 18
	at javassist.CtClassType.getClassFile2(CtClassType.java:203)
	at javassist.CtClassType.makeFieldCache(CtClassType.java:837)
	at javassist.CtClassType.getMembers(CtClassType.java:828)
	at javassist.CtClassType.getMethod0(CtClassType.java:1126)
	at javassist.CtClassType.getMethod(CtClassType.java:1115)
	at javassist.expr.MethodCall.getMethod(MethodCall.java:114)
	at org.powermock.core.transformers.impl.MainMockTransformer$PowerMockExpressionEditor.edit(MainMockTransformer.java:283)
	at javassist.expr.ExprEditor.loopBody(ExprEditor.java:191)
	at javassist.expr.ExprEditor.doit(ExprEditor.java:90)
	at javassist.CtClassType.instrument(CtClassType.java:1374)
	at org.powermock.core.transformers.impl.MainMockTransformer.transform(MainMockTransformer.java:75)
	at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:215)
	... 31 more
Caused by: java.io.IOException: invalid constant type: 18
	at javassist.bytecode.ConstPool.readOne(ConstPool.java:1090)
	at javassist.bytecode.ConstPool.read(ConstPool.java:1033)
	at javassist.bytecode.ConstPool.<init>(ConstPool.java:149)
	at javassist.bytecode.ClassFile.read(ClassFile.java:737)
	at javassist.bytecode.ClassFile.<init>(ClassFile.java:108)
	at javassist.CtClassType.getClassFile2(CtClassType.java:190)
	... 42 more