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org.killbill.billing.payment.plugin.api.PaymentPluginApiException: null	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at org.jruby.javasupport.JavaConstructor.newInstanceDirect(JavaConstructor.java:284)	at org.jruby.java.invokers.ConstructorInvoker.call(ConstructorInvoker.java:97)	at org.jruby.java.invokers.ConstructorInvoker.call(ConstructorInvoker.java:193)	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:356)	at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:213)	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:217)	at org.jruby.java.proxies.ConcreteJavaProxy$InitializeMethod.call(ConcreteJavaProxy.java:60)	at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:211)	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:217)	at org.jruby.RubyClass.newInstance(RubyClass.java:863)	at org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen)	at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroOrOneOrTwoOrNBlock.call(JavaMethod.java:318)	at org.jruby.java.proxies.ConcreteJavaProxy$NewMethod.call(ConcreteJavaProxy.java:162)	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:202)	at org.jruby.ast.CallTwoArgNode.interpret(CallTwoArgNode.java:59)	at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)	at org.jruby.ast.RescueBodyNode.interpret(RescueBodyNode.java:108)	at org.jruby.ast.RescueNode.handleException(RescueNode.java:174)	at org.jruby.ast.RescueNode.interpret(RescueNode.java:120)	at org.jruby.ast.EnsureNode.interpret(EnsureNode.java:96)	at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)	at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)	at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)	at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:112)	at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:169)	at Killbill$$Plugin$$Api$$PaymentPluginApi_333871130.addPaymentMethod(Killbill$$Plugin$$Api$$PaymentPluginApi_333871130.gen:13)	at org.killbill.billing.osgi.bundles.jruby.JRubyPaymentPlugin$9.doCall(JRubyPaymentPlugin.java:159)	at org.killbill.billing.osgi.bundles.jruby.JRubyPaymentPlugin$9.doCall(JRubyPaymentPlugin.java:156)	at org.killbill.billing.osgi.bundles.jruby.JRubyPlugin.callWithRuntimeAndChecking(JRubyPlugin.java:276)	at org.killbill.billing.osgi.bundles.jruby.JRubyPaymentPlugin.addPaymentMethod(JRubyPaymentPlugin.java:156)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.killbill.billing.osgi.ContextClassLoaderHelper$1$1.execute(ContextClassLoaderHelper.java:83)	at org.killbill.commons.profiling.Profiling.executeWithProfiling(Profiling.java:37)	at org.killbill.billing.osgi.ContextClassLoaderHelper$1.invoke(ContextClassLoaderHelper.java:80)	at com.sun.proxy.$Proxy133.addPaymentMethod(Unknown Source)	at org.killbill.billing.payment.core.PaymentMethodProcessor$1.doOperation(PaymentMethodProcessor.java:116)	at org.killbill.billing.payment.core.PaymentMethodProcessor$1.doOperation(PaymentMethodProcessor.java:107)	at org.killbill.billing.payment.core.ProcessorBase$WithAccountLock.processAccountWithLock(ProcessorBase.java:219)	at org.killbill.billing.payment.core.ProcessorBase$CallableWithAccountLock.call(ProcessorBase.java:208)	at org.killbill.billing.payment.core.ProcessorBase$CallableWithAccountLock.call(ProcessorBase.java:192)	at java.util.concurrent.FutureTask.run(FutureTask.java:262)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)