hi, as the cause indicates " java.lang.NoClassDefFoundError: cryptix/ provider/md/MD5 " means that the class could not be found, means is not in the classpath. I guess you uploaded your application on googles appengine?
however, make sure, that the .jar file of your crypter library resides in WEB-INF/lib folder! best, On 21 Jul., 13:22, Alexander Ustinov <[email protected]> wrote: > Hi all, > I faced with following problem. I want to you use cryptix library on > the server side of my app. I creared classfile : > [code] > package com.rfo.cabinet.server; > > import java.util.Random; > import cryptix.provider.md.MD5; > > public class TestHash { > ... > public static String encrypt() {..}} > > [/code] > > Then I'm using it in RPSImpl: > [code] > public class GreetingServiceImpl extends RemoteServiceServlet > implements > GreetingService { > ... > > String sid = this.getThreadLocalRequest().getSession().getId(); > String encryptedSid = TestHash.encrypt(sid); > Cookie cookie = new Cookie("Sid",encryptedSid); > this.getThreadLocalResponse().addCookie(cookie); > ... > > } > > [/cpde] > > Progect is pompiling well but when I call this service, I'm getting > next exception: > > [code] > 21.07.2010 11:21:42 > com.google.appengine.tools.development.ApiProxyLocalImpl log > SEVERE: [1279711302240000] javax.servlet.ServletContext log: Exception > while dispatching incoming RPC call > com.google.gwt.user.server.rpc.UnexpectedException: Service method > 'public abstract java.lang.String > com.rfo.cabinet.client.GreetingService.sendLogin(java.lang.String,java.lang > .String) > throws java.lang.IllegalArgumentException' threw an unexpected > exception: java.lang.NoClassDefFoundError: cryptix/provider/md/MD5 > at > com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: > 378) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > 581) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServi > ceServlet.java: > 188) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServi > ceServlet.java: > 224) > at > com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(Abstract > RemoteServiceServlet.java: > 62) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) > at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > 511) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1166) > at > com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFi > lter.java: > 51) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(Trans > actionCleanupFilter.java: > 43) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFile > Filter.java: > 122) > at org.mortbay.jetty.servlet.ServletHandler > $CachedChain.doFilter(ServletHandler.java:1157) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java: > 388) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java: > 216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java: > 182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java: > 765) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java: > 418) > at > com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEn > gineWebAppContext.java: > 70) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: > 152) > at com.google.appengine.tools.development.JettyContainerService > $ApiProxyHandler.handle(JettyContainerService.java:349) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java: > 152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java: > 542) > at org.mortbay.jetty.HttpConnection > $RequestHandler.content(HttpConnection.java:938) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java: > 409) > at org.mortbay.thread.QueuedThreadPool > $PoolThread.run(QueuedThreadPool.java:582) > Caused by: java.lang.NoClassDefFoundError: cryptix/provider/md/MD5 > at com.rfo.cabinet.server.TestHash.encryptToBytes(TestHash.java:71) > at com.rfo.cabinet.server.TestHash.encrypt(TestHash.java:82) > at > com.rfo.cabinet.server.GreetingServiceImpl.sendLogin(GreetingServiceImpl.ja > va: > 34) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > at java.lang.reflect.Method.invoke(Unknown Source) > at > com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime > .java: > 100) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: > 562) > ... 30 more > [/code] > > Does anybody have any idea why it is happened? 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