Hi, is there a way to perform several hundreds of cron jobs simultaneously?
I didn't find this on the specified URL. Best regards, tsemann On 1 Jun., 23:27, "Ikai L (Google)" <ika...@google.com> wrote: > No, Quartz uses threads. For scheduled tasks, you'll want to use either Task > Queues or cron interface > > http://code.google.com/appengine/docs/java/config/cron.html > > > > > > On Thu, May 27, 2010 at 6:05 AM, Arun kutty <kutty.n.a...@gmail.com> wrote: > > Does Quartz scheduler work with Google App Engine. Google App Engine > > uses Jetty . I am not sure if this is the issue that is causing the > > problem or it is because Google App engine has no support for Quartz: > > > I get the following error: > > > org/slf4j/LoggerFactory > > Caused by: > > > java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory > > at > > org.quartz.impl.StdSchedulerFactory.<init>(StdSchedulerFactory.java: > > 257) > > at com.test.QuartzTest.QuartzTest1(QuartzTest.java:16) > > at com.test.TestServlet.doGet(TestServlet.java:22) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:693) > > 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.headerComplete(HttpConnection.java:923) > > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547) > > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) > > 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.ClassNotFoundException: org.slf4j.LoggerFactory > > at java.net.URLClassLoader$1.run(Unknown Source) > > at java.security.AccessController.doPrivileged(Native Method) > > at java.net.URLClassLoader.findClass(Unknown Source) > > at java.lang.ClassLoader.loadClass(Unknown Source) > > at > > > com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(Iso > > latedAppClassLoader.java: > > 151) > > at java.lang.ClassLoader.loadClass(Unknown Source) > > ... 30 more > > Caused by: > > > java.lang.ClassNotFoundException: org.slf4j.LoggerFactory > > at java.net.URLClassLoader$1.run(Unknown Source) > > at java.security.AccessController.doPrivileged(Native Method) > > at java.net.URLClassLoader.findClass(Unknown Source) > > at java.lang.ClassLoader.loadClass(Unknown Source) > > at > > > com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(Iso > > latedAppClassLoader.java: > > 151) > > at java.lang.ClassLoader.loadClass(Unknown Source) > > at > > org.quartz.impl.StdSchedulerFactory.<init>(StdSchedulerFactory.java: > > 257) > > at com.test.QuartzTest.QuartzTest1(QuartzTest.java:16) > > at com.test.TestServlet.doGet(TestServlet.java:22) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:693) > > 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.headerComplete(HttpConnection.java:923) > > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547) > > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) > > 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) > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine for Java" group. > > To post to this 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