I know you have tried lot of alternatives for dynamic app/module deployment. Just wanted to confirm if we tried Apache Felix.
On Mon, Oct 24, 2011 at 11:00 AM, Leo Neumeyer <[email protected]>wrote: > Nice! > > any thoughts on what will it take to include the dependent jars in the s4r > package? > > talk tomorrow, > -leo > > On Oct 24, 2011, at 10:29 AM, Matthieu Morel wrote: > > > Hi, > > > > I had a look into that, and the solution boils down to using the same > > classloader for classes loaded from s4r archives and for classes > dynamically > > generated. > > The JarLoader needs a small modification to handle that. > > It is now possible to load several apps concurrently, including apps from > > the s4-example subproject. > > > > I'll share my changes tomorrow so we can discuss and see what the next > steps > > are. > > > > Matthieu > > > > > > On Sun, Oct 23, 2011 at 4:53 AM, Leo Neumeyer <[email protected]> > wrote: > > > >> I made some progress getting the app to load. The problem was a > >> missing no-args constructor to get the newInstance method to work. > >> (Apps will be required to have a no-args constructor.) Once the app > >> starts, there is an exception because the CounterPE is not found. It > >> looks like a conflict between dynamic app loading and dynamic > >> dispatching. More debugging needed, here is the trace: > >> > >> comm.module=org.apache.s4.comm.Module > >> s4.logger_level=TRACE > >> comm.queue_emmiter_size=8000 > >> comm.queue_listener_size=8000 > >> cluster.hosts=localhost > >> cluster.ports=5077 > >> cluster.lock_dir=/tmp > >> cluster.isCluster=true > >> 19:43:53.281 [main] TRACE org.apache.s4.core.Server - Read: > >> > >> > file:/Users/leo/Projects/s4project/s4-piper/subprojects/s4-core/bin/apps/CounterExample.s4r > >> 19:43:53.297 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.MyApp, resolveIt: true > >> 19:43:53.297 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.297 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: org.apache.s4.core.App, > >> resolveIt: true > >> 19:43:53.298 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.298 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.298 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: org.apache.s4.core.KeyFinder, > >> resolveIt: true > >> 19:43:53.298 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.299 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.Throwable, > >> resolveIt: true > >> 19:43:53.299 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.299 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> java.lang.InterruptedException, resolveIt: true > >> 19:43:53.299 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.303 [main] INFO org.apache.s4.comm.topology.Cluster - Added > >> cluster node: localhost:5077 > >> 19:43:53.336 [main] INFO o.a.s.c.topology.AssignmentFromFile - Host > >> Name: 10.0.1.97 > >> 19:43:53.336 [main] INFO o.a.s.c.topology.AssignmentFromFile - > >> Partition available: true > >> 19:43:53.352 [main] INFO o.a.s.c.topology.AssignmentFromFile - > >> Partition acquired by PID:16610 HOST:Leos-MacBook-Air.local Lock File > >> location: /tmp/s4-0.lock > >> 19:43:53.352 [main] INFO o.a.s.c.topology.AssignmentFromFile - > >> Acquire partition:success. > >> 19:43:53.354 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.PrintPE, resolveIt: true > >> 19:43:53.355 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.355 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.core.ProcessingElement, resolveIt: true > >> 19:43:53.356 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.356 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.359 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.Object, resolveIt: > >> true > >> 19:43:53.359 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.360 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: org.apache.s4.base.Event, > >> resolveIt: true > >> 19:43:53.360 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.401 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.CountKeyFinder, resolveIt: true > >> 19:43:53.401 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.402 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.402 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.util.List, resolveIt: > >> true > >> 19:43:53.402 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.404 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.CounterPE, resolveIt: true > >> 19:43:53.404 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.404 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.404 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.CountEvent, resolveIt: true > >> 19:43:53.405 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.405 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.405 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: org.apache.s4.core.Stream, > >> resolveIt: true > >> 19:43:53.405 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.407 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.util.concurrent.TimeUnit, > >> resolveIt: true > >> 19:43:53.408 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.413 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.UserIDKeyFinder, resolveIt: true > >> 19:43:53.414 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.414 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.414 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.GenderKeyFinder, resolveIt: true > >> 19:43:53.415 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.415 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.415 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.AgeKeyFinder, resolveIt: true > >> 19:43:53.416 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.416 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.416 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.GenerateUserEventPE, resolveIt: true > >> 19:43:53.417 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.417 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.core.SingletonPE, resolveIt: true > >> 19:43:53.417 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.418 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.418 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: > >> org.apache.s4.example.counter.UserEvent, resolveIt: true > >> 19:43:53.418 [main] DEBUG o.a.s4.base.util.MultiClassLoader - Not a > >> system class. > >> 19:43:53.418 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning newly loaded class. > >> 19:43:53.418 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.String, resolveIt: > >> true > >> 19:43:53.418 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.420 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.util.Random, resolveIt: > >> true > >> 19:43:53.420 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.420 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.util.ArrayList, > >> resolveIt: true > >> 19:43:53.420 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.420 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.Character, > >> resolveIt: true > >> 19:43:53.420 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.421 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.Integer, resolveIt: > >> true > >> 19:43:53.421 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.423 [User Stream] TRACE org.apache.s4.core.ProcessingElement > >> - OnCreateInternal > >> 19:43:53.423 [Gender Stream] TRACE > >> org.apache.s4.core.ProcessingElement - OnCreateInternal > >> 19:43:53.423 [Age Stream] TRACE org.apache.s4.core.ProcessingElement - > >> OnCreateInternal > >> 19:43:53.428 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.Thread, resolveIt: > >> true > >> 19:43:53.428 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:53.430 [Gender Stream] TRACE > >> org.apache.s4.core.ProcessingElement - Num PE instances: 0. > >> 19:43:53.430 [User Stream] TRACE org.apache.s4.core.ProcessingElement > >> - Num PE instances: 0. > >> 19:43:53.430 [Age Stream] TRACE org.apache.s4.core.ProcessingElement - > >> Num PE instances: 0. > >> Exception in thread "Age Stream" java.lang.NoClassDefFoundError: > >> org/apache/s4/example/counter/CounterPE > >> at OverloadDispatcher847.dispatchEvent(Unknown Source) > >> at > >> > org.apache.s4.core.ProcessingElement.handleInputEvent(ProcessingElement.java:376) > >> at org.apache.s4.core.Stream.run(Stream.java:272) > >> at java.lang.Thread.run(Thread.java:680) > >> Caused by: java.lang.ClassNotFoundException: > >> org.apache.s4.example.counter.CounterPE > >> at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > >> at java.security.AccessController.doPrivileged(Native Method) > >> at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > >> ... 4 more > >> Exception in thread "Gender Stream" java.lang.NoClassDefFoundError: > >> org/apache/s4/example/counter/CounterPE > >> at OverloadDispatcher3022.dispatchEvent(Unknown Source) > >> at > >> > org.apache.s4.core.ProcessingElement.handleInputEvent(ProcessingElement.java:376) > >> at org.apache.s4.core.Stream.run(Stream.java:272) > >> at java.lang.Thread.run(Thread.java:680) > >> Caused by: java.lang.ClassNotFoundException: > >> org.apache.s4.example.counter.CounterPE > >> at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > >> at java.security.AccessController.doPrivileged(Native Method) > >> at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > >> ... 4 more > >> Exception in thread "User Stream" java.lang.NoClassDefFoundError: > >> org/apache/s4/example/counter/CounterPE > >> at OverloadDispatcher2958.dispatchEvent(Unknown Source) > >> at > >> > org.apache.s4.core.ProcessingElement.handleInputEvent(ProcessingElement.java:376) > >> at org.apache.s4.core.Stream.run(Stream.java:272) > >> at java.lang.Thread.run(Thread.java:680) > >> Caused by: java.lang.ClassNotFoundException: > >> org.apache.s4.example.counter.CounterPE > >> at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > >> at java.security.AccessController.doPrivileged(Native Method) > >> at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > >> ... 4 more > >> 19:43:58.429 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.lang.System, resolveIt: > >> true > >> 19:43:58.429 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> 19:43:58.429 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> MultiClassLoader loadClass - className: java.io.PrintStream, > >> resolveIt: true > >> 19:43:58.429 [main] DEBUG o.a.s4.base.util.MultiClassLoader - > >> Returning system class (in CLASSPATH). > >> Done. Closing... > >> Bye. > >> 19:43:58.430 [Age Count Stream] INFO org.apache.s4.core.Stream - > >> Closing stream Age Count Stream. > >> 19:43:58.430 [Gender Count Stream] INFO org.apache.s4.core.Stream - > >> Closing stream Gender Count Stream. > >> 19:43:58.430 [User Count Stream] INFO org.apache.s4.core.Stream - > >> Closing stream User Count Stream. > >> > >> > >> > >> On Tue, Oct 18, 2011 at 11:00 PM, Leo Neumeyer <[email protected]> > >> wrote: > >>> Matthieu, please check my *modules* branch. > >>> I packaged the counter example in a *.s4r file (a jar with a different > >>> extension name). Here is how: > >>> https://github.com/leoneu/s4-piper/blob/modules/NOTES.md > >>> I fixed the code so we can read the jar as a resource from the > classpath. > >>> The HelloApp example works fine but there is an exception when trying > to > >>> load the counter app. The MyApp class should load as is, I think. You > >> will > >>> probably find the bug by the time I wake up :-) The good side of being > 9 > >>> time zones apart. > >>> -leo > >>> > >> > >> > >> > >> -- > >> > >> -leo > >> > >
