报错信息：
java.lang.IllegalStateException: Security exception
at com.jytpay.demo.baseUtil.sign.DESHelper.convertRuntimeException(DESHelper.java:112)
at com.jytpay.demo.baseUtil.sign.DESHelper.generateDesKey(DESHelper.java:30)
at com.pac.pub.nmgsb.utils.FormUtil.callPost(FormUtil.java:218)
at com.pac.bpm.extend.ThirdAddBidInfo.execute(ThirdAddBidInfo.java:110)
at org.apache.commons.bussprocess.activities.BPActivitie.execute(BPActivitie.java:120)
at org.apache.commons.bussprocess.activities.Operation.execute(Operation.java:31)
at org.apache.commons.bussprocess.activities.BPLogicActivitie.execute(BPLogicActivitie.java:86)
at org.apache.commons.bussprocess.activities.BPLogicActivitie.execute(BPLogicActivitie.java:34)
at org.apache.commons.bussprocess.activities.ActivitieExecuteService.execute(ActivitieExecuteService.java:62)
at org.apache.commons.bussprocess.activities.ActivitieExecuteService.syncExecute(ActivitieExecuteService.java:27)
at org.apache.commons.bussprocess.channel.service.ChannelMessageQueue.execute(ChannelMessageQueue.java:95)
at com.eap.channel.dubbo.EAPDubboServlet.doProcessServiceRequest(EAPDubboServlet.java:195)
at com.eap.channel.dubbo.EAPDubboServlet.execute(EAPDubboServlet.java:83)
at com.eap.channel.dubbo.DubboApplication.execute(DubboApplication.java:86)
at com.pac.bpm.provider.T09001ServiceImpl.T090012005(T09001ServiceImpl.java:40)
at com.alibaba.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java)
at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)
at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)
at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)
at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)
at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)
at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)
at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)
at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.security.NoSuchAlgorithmException: DES KeyGenerator not available
at javax.crypto.KeyGenerator.<init>(KeyGenerator.java:158)
at javax.crypto.KeyGenerator.getInstance(KeyGenerator.java:207)
at com.jytpay.demo.baseUtil.sign.DESHelper.generateDesKey(DESHelper.java:26)
... 41 more
经过排查，反复排查，其实就是少了一个包，但是这里有个坑，巨坑！！！！
Caused by: java.security.NoSuchAlgorithmException: DES KeyGenerator not available
at javax.crypto.KeyGenerator.<init>(KeyGenerator.java:158)
at javax.crypto.KeyGenerator.getInstance(KeyGenerator.java:207)
at com.jytpay.demo.baseUtil.sign.DESHelper.generateDesKey(DESHelper.java:26)
这里说 javax.crypto.KeyGenerator出错，我找到代码对应的行数，对应的方法后，最终指向的却是jdk环境中的jre中的class库文件
这个东西，让我换了服务器上的jdk，反复查看，明明有jce.jar
今天终于让我找到了，其实它不是jce.jar，而是缺少sunjce_provider.jar，弄得我一顿好找
我现在还没想明白是为什么，可能是因为公司的EAP是个神奇的又臭又硬框架吧！！！