Good to hear! gson is used by org.reflections
Cheers, Konstantine On Thu, Jul 6, 2017 at 10:03 PM, Koert Kuipers <ko...@tresata.com> wrote: > i did not have log4j.logger.org.reflections=ERROR, because i didnt update > my log4j files yet. i will do this now. > > connect seems to start up fine. > > i still wonder why its searching for gson. like... where does it get the > idea for the start searching for gson? i dont use gson and neither does > connect it seems? > > On Thu, Jul 6, 2017 at 8:09 PM, Konstantine Karantasis < > konstant...@confluent.io> wrote: > > > Hi Koert, > > > > these warnings appear to be produced during the class scanning that > Connect > > is performing when it's starting up. Connect is using org.reflections to > > discover plugins (Connectors, Transformations, Converters) in the various > > locations that it's configured to search for plugins. > > (such locations are entries in the plugin.path property as well as the > > supplied CLASSPATH). It's normally safe to ignore the warnings. > > > > I would expect that such warnings would be disabled by having: > > > > log4j.logger.org.reflections=ERROR > > > > in config/connect-log4j.properties. > > > > Does this setting exist in your environment? Did you by any change > enabled > > a different log level for org.reflections? > > Also, is Connect starting up successfully after all these warnings are > > logged? > > > > Konstantine > > > > > > On Thu, Jul 6, 2017 at 3:33 PM, Koert Kuipers <ko...@tresata.com> wrote: > > > > > i just did a test upgrade to kafka 0.11.0.0 and i am seeing lots of > > > ClassNotFoundException in the logs for connect-distributed upon > startup, > > > see below. is this expected? kind of curious why its looking for say > gson > > > while gson jar is not in libs folder. > > > best, > > > koert > > > > > > > > > [2017-07-06 22:20:41,844] INFO Reflections took 6944 ms to scan 65 > urls, > > > producing 3136 keys and 25105 values (org.reflections.Reflections: > 232) > > > [2017-07-06 22:20:42,126] WARN could not get type for name > > > org.osgi.framework.BundleListener from any class loader > > > (org.reflections.Reflections:396) > > > org.reflections.ReflectionsException: could not get type for name > > > org.osgi.framework.BundleListener > > > at org.reflections.ReflectionUtils.forName( > > > ReflectionUtils.java:390) > > > at > > > org.reflections.Reflections.expandSuperTypes(Reflections.java:381) > > > at org.reflections.Reflections.<init>(Reflections.java:126) > > > at > > > org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader. > > > scanPluginPath(DelegatingClassLoader.java:221) > > > at > > > org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader. > > > scanUrlsAndAddPlugins(DelegatingClassLoader.java:198) > > > at > > > org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader. > > > initLoaders(DelegatingClassLoader.java:159) > > > at > > > org.apache.kafka.connect.runtime.isolation.Plugins.< > > init>(Plugins.java:47) > > > at > > > org.apache.kafka.connect.cli.ConnectDistributed.main( > > > ConnectDistributed.java:63) > > > Caused by: java.lang.ClassNotFoundException: > > > org.osgi.framework.BundleListener > > > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > > > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > > > at sun.misc.Launcher$AppClassLoader.loadClass( > Launcher.java:331) > > > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > > > at org.reflections.ReflectionUtils.forName( > > > ReflectionUtils.java:388) > > > ... 7 more > > > [2017-07-06 22:20:42,223] WARN could not get type for name > > > com.google.gson.JsonDeserializer from any class loader > > > (org.reflections.Reflections:396) > > > org.reflections.ReflectionsException: could not get type for name > > > com.google.gson.JsonDeserializer > > > at org.reflections.ReflectionUtils.forName( > > > ReflectionUtils.java:390) > > > at > > > org.reflections.Reflections.expandSuperTypes(Reflections.java:381) > > > at org.reflections.Reflections.<init>(Reflections.java:126) > > > at > > > org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader. > > > scanPluginPath(DelegatingClassLoader.java:221) > > > at > > > org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader. > > > scanUrlsAndAddPlugins(DelegatingClassLoader.java:198) > > > at > > > org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader. > > > initLoaders(DelegatingClassLoader.java:159) > > > at > > > org.apache.kafka.connect.runtime.isolation.Plugins.< > > init>(Plugins.java:47) > > > at > > > org.apache.kafka.connect.cli.ConnectDistributed.main( > > > ConnectDistributed.java:63) > > > Caused by: java.lang.ClassNotFoundException: > > > com.google.gson.JsonDeserializer > > > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > > > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > > > at sun.misc.Launcher$AppClassLoader.loadClass( > Launcher.java:331) > > > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > > > at org.reflections.ReflectionUtils.forName( > > > ReflectionUtils.java:388) > > > ... 7 more > > > > > >
