java.lang.NoClassDefFoundError: org/camunda/commons/utils/EnsureUtil
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at org.camunda.spin.impl.SpinFactoryImpl.createSpinFromObject(SpinFactoryImpl.java:150)
	at org.camunda.bpm.engine.impl.spin.SpinSerializationType.setValue(SpinSerializationType.java:64)
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.setValue(VariableInstanceEntity.java:267)
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.create(VariableInstanceEntity.java:89)
	at org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity.createAndInsert(VariableInstanceEntity.java:72)
	at org.camunda.bpm.engine.impl.variable.AbstractPersistentVariableStore.createVariableInstance(AbstractPersistentVariableStore.java:175)
	at org.camunda.bpm.engine.impl.variable.AbstractPersistentVariableStore.createVariableInstance(AbstractPersistentVariableStore.java:42)
	at org.camunda.bpm.engine.impl.variable.AbstractVariableStore.createOrUpdateVariable(AbstractVariableStore.java:25)
	at org.camunda.bpm.engine.impl.core.variable.CoreVariableScope.setVariableLocal(CoreVariableScope.java:239)
	at org.camunda.bpm.engine.impl.core.variable.CoreVariableScope.setVariable(CoreVariableScope.java:235)
	at org.camunda.bpm.engine.impl.core.variable.CoreVariableScope.setVariable(CoreVariableScope.java:218)
	at org.camunda.bpm.engine.impl.core.variable.CoreVariableScope.setVariables(CoreVariableScope.java:174)
	at org.camunda.bpm.engine.impl.pvm.runtime.PvmExecutionImpl.start(PvmExecutionImpl.java:132)
	at org.camunda.bpm.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:70)
	at org.camunda.bpm.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:34)
	at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:97)
	at org.camunda.bpm.engine.impl.interceptor.JtaTransactionInterceptor.execute(JtaTransactionInterceptor.java:59)
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:38)
	at org.camunda.bpm.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:77)
	at org.camunda.bpm.engine.RuntimeService$$OwbNormalScopeProxy0.startProcessInstanceByKey(org/camunda/bpm/engine/RuntimeService.java)