[GitHub] [pulsar] vlemaitre edited a comment on issue #5350: Pulsar can't load the customized SerDe

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vlemaitre edited a comment on issue #5350: Pulsar can't load the customized SerDe
URL: https://github.com/apache/pulsar/issues/5350#issuecomment-591467493
 
 
   Hello,
   I face the same issue on 2.5.0 version.
   My Serde classes are into the jar file but the classes are not found when the function starts.
   This issue is still present in 2.5.0.
   Error logs :
   
   ```
   14:52:24.290 [main] INFO  org.apache.pulsar.functions.LocalRunner - RuntimeSpawner quit because of
   java.lang.RuntimeException: User class must be in class path
   	at org.apache.pulsar.functions.utils.Reflections.createInstance(Reflections.java:67) ~[org.apache.pulsar-pulsar-functions-utils-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.instance.InstanceUtils.createInstance(InstanceUtils.java:84) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.instance.InstanceUtils.initializeSerDe(InstanceUtils.java:43) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.source.TopicSchema.newSchemaInstance(TopicSchema.java:202) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.source.TopicSchema.newSchemaInstance(TopicSchema.java:210) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.source.TopicSchema.lambda$getSchema$0(TopicSchema.java:66) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at java.util.HashMap.computeIfAbsent(HashMap.java:1127) ~[?:1.8.0_232]
   	at org.apache.pulsar.functions.source.TopicSchema.getSchema(TopicSchema.java:66) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.source.PulsarSource.lambda$setupConsumerConfigs$5(PulsarSource.java:163) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at java.util.TreeMap.forEach(TreeMap.java:1005) ~[?:1.8.0_232]
   	at org.apache.pulsar.functions.source.PulsarSource.setupConsumerConfigs(PulsarSource.java:160) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.source.PulsarSource.open(PulsarSource.java:66) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.instance.JavaInstanceRunnable.setupInput(JavaInstanceRunnable.java:732) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.instance.JavaInstanceRunnable.setupJavaInstance(JavaInstanceRunnable.java:215) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at org.apache.pulsar.functions.instance.JavaInstanceRunnable.run(JavaInstanceRunnable.java:244) ~[org.apache.pulsar-pulsar-functions-instance-2.5.0.jar:2.5.0]
   	at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_232]
   Caused by: java.lang.ClassNotFoundException: com.hardisgroup.n1.poc.ExampleCreationSerde
   	at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_232]
   	at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_232]
   	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) ~[?:1.8.0_232]
   	at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_232]
   	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_232]
   	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_232]
   	at org.apache.pulsar.functions.utils.Reflections.createInstance(Reflections.java:65) ~[org.apache.pulsar-pulsar-functions-utils-2.5.0.jar:2.5.0]
   	... 15 more
   
   ```

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