Sumanth, Do you happen to still have the stack traces around? Unless we do some breaking/API unfriendly thing such issues should simply not occur. Want to make sure we understand what is happening here.
Thanks Joe On Wed, Oct 21, 2015 at 8:56 PM, Sumanth Chinthagunta <[email protected]> wrote: > I noticed similar error when I have my flow using older version of a custom > nar and when I deployed new version of nar with package refactoring. > My workaround to bring the server back is to redeploy old nar, start nifi > and delete the flow then recreate the flow after deploying refactored nar. > Nifi should start even a nar file is replaced or removed. > > On Wed, Oct 21, 2015, 9:21 AM Joe Witt <[email protected]> wrote: > >> Ok so in seeing this part of the stackdump we know there is a >> 'classpath thing' going on >> >> "Caused by: java.lang.ClassNotFoundException: >> org.mitre.nifi.NiFiNITFReader" >> >> And we see from your provided info that your jar does contain such a class >> >> "22243 Wed Oct 21 10:36:46 EDT 2015 org/mitre/nifi/NiFiNITFReader.class" >> >> And we see that you have a service loader manifest >> >> "808 Wed Oct 21 10:36:42 EDT 2015 >> META-INF/services/org.apache.nifi.processor.Processor" >> >> QUESTIONS: >> ------------------- >> Can you please provide content of that service manifest file? >> >> Also can you please provide the log information that writes out on >> startup which shows the processors/extensions that load? >> >> It looks like this... >> >> 2015-10-21 09:20:32,520 INFO [main] >> org.apache.nifi.nar.ExtensionManager Extension Type Mapping to >> Classloader: >> === ProvenanceEventRepository type || Classloader === >> org.apache.nifi.provenance.PersistentProvenanceRepository || >> >> org.apache.nifi.nar.NarClassLoader[./work/nar/extensions/nifi-provenance-repository-nar-0.3.1-SNAPSHOT.nar-unpacked] >> org.apache.nifi.provenance.VolatileProvenanceRepository || >> >> org.apache.nifi.nar.NarClassLoader[./work/nar/extensions/nifi-provenance-repository-nar-0.3.1-SNAPSHOT.nar-unpacked] >> === End ProvenanceEventRepository types === >> === Processor type || Classloader === >> org.apache.nifi.processors.hl7.RouteHL7 || >> >> org.apache.nifi.nar.NarClassLoader[./work/nar/extensions/nifi-hl7-nar-0.3.1-SNAPSHOT.nar-unpacked] >> org.apache.nifi.processors.standard.MergeContent || >> >> org.apache.nifi.nar.NarClassLoader[./work/nar/extensions/nifi-standard-nar-0.3.1-SNAPSHOT.nar-unpacked] >> org.apache.nifi.processors.standard.EncryptContent || >> >> org.apache.nifi.nar.NarClassLoader[./work/nar/extensions/nifi-standard-nar-0.3.1-SNAPSHOT.nar-unpacked] >> org.apache.nifi.processors.aws.s3.PutS3Object || >> >> org.apache.nifi.nar.NarClassLoader[./work/nar/extensions/nifi-aws-nar-0.3.1-SNAPSHOT.nar-unpacked] >> ..... >> >> >> Thanks! >> Joe >> >> On Wed, Oct 21, 2015 at 8:51 AM, Jones, Patrick L. <[email protected]> wrote: >> > Howdy, >> > >> > I have created my own processor which I have been testing >> with NiFi for a while now. This stuff used to work for me, now it doesn't. >> Today nifi won't start. The nifi-app.log is below >> > The processor reads in an image type NITF and does a few things with >> it. I do a: >> > $ mvn install >> > >> > from ~/nifi-0.3.0/nifi-mitre-bundle/ which is where my software is. I >> then >> > $ cp >> ~/nifi-0.3.0/nifi-mitre-bundle/nifi-mitre-nar/target/nifi-mitre-nar-1.0-SNAPSHOT.nar >> ../lib/ >> > >> > When I start nifi the nifi-app.log shows the below exception with the >> bottom line being >> > Caused by: java.lang.ClassNotFoundException: >> org.mitre.nifi.NiFiNITFReader >> > >> > I looked in my lib/nifi-mitre-nar-1.0-SNAPSHOT.nar it contains >> > 0 Wed Oct 21 10:36:50 EDT 2015 META-INF/ >> > 152 Wed Oct 21 10:36:48 EDT 2015 META-INF/MANIFEST.MF >> > 0 Wed Oct 21 10:36:48 EDT 2015 META-INF/bundled-dependencies/ >> > ... >> > 22201 Wed Oct 21 10:36:48 EDT 2015 >> META-INF/bundled-dependencies/nifi-mitre-processors-1.0-SNAPSHOT.jar >> > ... >> > 2963 Wed Oct 21 10:36:48 EDT 2015 META-INF/DEPENDENCIES >> > 11358 Wed Oct 21 10:36:48 EDT 2015 META-INF/LICENSE >> > 155 Wed Oct 21 10:36:48 EDT 2015 META-INF/NOTICE >> > 0 Wed Oct 21 10:36:50 EDT 2015 META-INF/maven/ >> > 0 Wed Oct 21 10:36:50 EDT 2015 META-INF/maven/mitre/ >> > 0 Wed Oct 21 10:36:50 EDT 2015 META-INF/maven/mitre/nifi-mitre-nar/ >> > 1562 Fri Oct 09 11:19:10 EDT 2015 >> META-INF/maven/mitre/nifi-mitre-nar/pom.xml >> > 111 Wed Oct 21 10:36:48 EDT 2015 >> META-INF/maven/mitre/nifi-mitre-nar/pom.properties >> > >> > I then unjarred the .nar file and looked at >> META-INF/bundled-dependencies/nifi-mitre-processors-1.0-SNAPSHOT.jar >> > >> > $ jar tvf >> ~/dum/META-INF/bundled-dependencies/nifi-mitre-processors-1.0-SNAPSHOT.jar >> > 0 Wed Oct 21 10:36:48 EDT 2015 META-INF/ >> > 412 Wed Oct 21 10:36:46 EDT 2015 META-INF/MANIFEST.MF >> > 0 Wed Oct 21 10:36:42 EDT 2015 META-INF/services/ >> > 0 Wed Oct 21 10:36:44 EDT 2015 org/ >> > 0 Wed Oct 21 10:36:44 EDT 2015 org/mitre/ >> > 0 Wed Oct 21 10:36:46 EDT 2015 org/mitre/nifi/ >> > 2730 Wed Oct 21 10:36:42 EDT 2015 META-INF/DEPENDENCIES >> > 11358 Wed Oct 21 10:36:42 EDT 2015 META-INF/LICENSE >> > 162 Wed Oct 21 10:36:42 EDT 2015 META-INF/NOTICE >> > 808 Wed Oct 21 10:36:42 EDT 2015 >> META-INF/services/org.apache.nifi.processor.Processor >> > 2796 Wed Oct 21 10:36:46 EDT 2015 org/mitre/nifi/NiFiNITFReader$1.class >> > 2025 Wed Oct 21 10:36:44 EDT 2015 org/mitre/nifi/NITFNiFiIoReader.class >> > 22243 Wed Oct 21 10:36:46 EDT 2015 org/mitre/nifi/NiFiNITFReader.class >> > 0 Wed Oct 21 10:36:48 EDT 2015 META-INF/maven/ >> > 0 Wed Oct 21 10:36:48 EDT 2015 META-INF/maven/mitre/ >> > 0 Wed Oct 21 10:36:48 EDT 2015 >> META-INF/maven/mitre/nifi-mitre-processors/ >> > 4053 Wed Oct 14 11:23:52 EDT 2015 >> META-INF/maven/mitre/nifi-mitre-processors/pom.xml >> > 118 Wed Oct 21 10:36:48 EDT 2015 >> META-INF/maven/mitre/nifi-mitre-processors/pom.properties >> > >> > I see org/mitre/nifi/NiFiNITFReader.class in the jar file. >> > >> > Any thoughts on what the problem is? >> > >> > Thank you >> > >> > Patrick Jones >> > >> > >> > >> > ------------- nifi-app.log --- >> > ... >> > 2015-10-21 10:44:44,147 INFO [main] >> o.a.n.w.c.ApplicationStartupContextListener Starting Flow Controller... >> > 2015-10-21 10:44:44,484 WARN [main] >> o.a.nifi.fingerprint.FingerprintFactory Unable to create Processor of type >> org.mitre.nifi.NiFiNITFReader due to >> org.apache.nifi.controller.exception.ProcessorInstantiationException: >> org.mitre.nifi.NiFiNITFReader; its default properties will be fingerprinted >> instead of being ignored. >> > 2015-10-21 10:44:44,536 WARN [main] >> o.a.nifi.fingerprint.FingerprintFactory Unable to create Processor of type >> org.mitre.nifi.NiFiNITFReader due to >> org.apache.nifi.controller.exception.ProcessorInstantiationException: >> org.mitre.nifi.NiFiNITFReader; its default properties will be fingerprinted >> instead of being ignored. >> > 2015-10-21 10:44:44,607 INFO [main] >> o.a.n.c.s.StandardControllerServiceProvider No Controller Services to enable >> > 2015-10-21 10:44:44,703 WARN [main] >> org.eclipse.jetty.webapp.WebAppContext Failed startup of context >> o.e.j.w.WebAppContext@59d5a6fd >> {/nifi-api,file:/home/plj/nifi-0.3.0/work/jetty/nifi-web-api-0.3.0.war/webapp/,STARTING}{./work/nar/framework/nifi-framework-nar-0.3.0.nar-unpacked/META-INF/bundled-dependencies/nifi-web-api-0.3.0.war} >> > org.apache.nifi.controller.FlowSynchronizationException: >> org.apache.nifi.controller.exception.ProcessorInstantiationException: >> org.mitre.nifi.NiFiNITFReader >> > at >> org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:317) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > at >> org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1160) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... >> > at org.apache.nifi.NiFi.main(NiFi.java:227) >> [nifi-runtime-0.3.0.jar:0.3.0] >> > Caused by: >> org.apache.nifi.controller.exception.ProcessorInstantiationException: >> org.mitre.nifi.NiFiNITFReader >> > at >> org.apache.nifi.controller.FlowController.instantiateProcessor(FlowController.java:864) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... >> > ... 27 common frames omitted >> > Caused by: java.lang.ClassNotFoundException: >> org.mitre.nifi.NiFiNITFReader >> > at >> java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_60] >> > ... >> > at >> org.apache.nifi.controller.FlowController.instantiateProcessor(FlowController.java:850) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... 30 common frames omitted >> > 2015-10-21 10:44:45,345 INFO [main] >> o.e.jetty.server.handler.ContextHandler Started >> o.e.j.w.WebAppContext@5fd8dd66 >> {/nifi-content-viewer,file:/home/plj/nifi-... >> > 2015-10-21 10:44:45,631 INFO [main] org.eclipse.jetty.server.Server >> Started @33273ms >> > 2015-10-21 10:44:45,644 WARN [main] >> org.apache.nifi.web.server.JettyServer Failed to start web server... >> shutting down. >> > org.apache.nifi.controller.FlowSynchronizationException: >> org.apache.nifi.controller.exception.ProcessorInstantiationException: >> org.mitre.nifi.NiFiNITFReader >> > at >> org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:317) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... >> > at org.apache.nifi.NiFi.<init>(NiFi.java:137) >> [nifi-runtime-0.3.0.jar:0.3.0] >> > at org.apache.nifi.NiFi.main(NiFi.java:227) >> [nifi-runtime-0.3.0.jar:0.3.0] >> > Caused by: >> org.apache.nifi.controller.exception.ProcessorInstantiationException: >> org.mitre.nifi.NiFiNITFReader >> > at >> org.apache.nifi.controller.FlowController.instantiateProcessor(FlowController.java:864) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... >> > at >> org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:271) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... 27 common frames omitted >> > Caused by: java.lang.ClassNotFoundException: >> org.mitre.nifi.NiFiNITFReader >> > at >> java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_60] >> > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) >> ~[na:1.8.0_60] >> > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) >> ~[na:1.8.0_60] >> > at java.lang.Class.forName0(Native Method) ~[na:1.8.0_60] >> > at java.lang.Class.forName(Class.java:264) ~[na:1.8.0_60] >> > at >> org.apache.nifi.controller.FlowController.instantiateProcessor(FlowController.java:850) >> ~[nifi-framework-core-0.3.0.jar:0.3.0] >> > ... 30 common frames omitted >> > 2015-10-21 10:44:45,650 INFO [Thread-1] org.apache.nifi.NiFi Initiating >> shutdown of Jetty web server... >>
