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https://issues.apache.org/jira/browse/CASSANDRA-11391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Stupp reassigned CASSANDRA-11391:
----------------------------------------
Assignee: Robert Stupp
> "class declared as inner class" error when using UDF
> ----------------------------------------------------
>
> Key: CASSANDRA-11391
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11391
> Project: Cassandra
> Issue Type: Bug
> Components: CQL
> Environment: C* 3.4
> Reporter: DOAN DuyHai
> Assignee: Robert Stupp
> Priority: Critical
>
> {noformat}
> cqlsh:music> CREATE FUNCTION testMapEntry(my_map map<text, text>)
> ... CALLED ON NULL INPUT
> ... RETURNS text
> ... LANGUAGE java
> ... AS $$
> ... String buffer = "";
> ... for(java.util.Map.Entry<String, String> entry:
> my_map.entrySet()) {
> ... buffer = buffer + entry.getKey() + ": " +
> entry.getValue() + ", ";
> ... }
> ... return buffer;
> ... $$;
> InvalidRequest: code=2200 [Invalid query]
> message="Could not compile function 'music.testmapentry' from Java source:
> org.apache.cassandra.exceptions.InvalidRequestException:
> Java UDF validation failed: [class declared as inner class]"
> {noformat}
> When I try to decompile the source code into byte code, below is the result:
> {noformat}
> public java.lang.String test(java.util.Map<java.lang.String,
> java.lang.String>);
> Code:
> 0: ldc #2 // String
> 2: astore_2
> 3: aload_1
> 4: invokeinterface #3, 1 // InterfaceMethod
> java/util/Map.entrySet:()Ljava/util/Set;
> 9: astore_3
> 10: aload_3
> 11: invokeinterface #4, 1 // InterfaceMethod
> java/util/Set.iterator:()Ljava/util/Iterator;
> 16: astore 4
> 18: aload 4
> 20: invokeinterface #5, 1 // InterfaceMethod
> java/util/Iterator.hasNext:()Z
> 25: ifeq 94
> 28: aload 4
> 30: invokeinterface #6, 1 // InterfaceMethod
> java/util/Iterator.next:()Ljava/lang/Object;
> 35: checkcast #7 // class java/util/Map$Entry
> 38: astore 5
> 40: new #8 // class java/lang/StringBuilder
> 43: dup
> 44: invokespecial #9 // Method
> java/lang/StringBuilder."<init>":()V
> 47: aload_2
> 48: invokevirtual #10 // Method
> java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
> 51: aload 5
> 53: invokeinterface #11, 1 // InterfaceMethod
> java/util/Map$Entry.getKey:()Ljava/lang/Object;
> 58: checkcast #12 // class java/lang/String
> 61: invokevirtual #10 // Method
> java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
> 64: ldc #13 // String :
> 66: invokevirtual #10 // Method
> java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
> 69: aload 5
> 71: invokeinterface #14, 1 // InterfaceMethod
> java/util/Map$Entry.getValue:()Ljava/lang/Object;
> 76: checkcast #12 // class java/lang/String
> 79: invokevirtual #10 // Method
> java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
> 82: ldc #15 // String ,
> 84: invokevirtual #10 // Method
> java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
> 87: invokevirtual #16 // Method
> java/lang/StringBuilder.toString:()Ljava/lang/String;
> 90: astore_2
> 91: goto 18
> 94: aload_2
> 95: areturn
> {noformat}
> There is nothing that could trigger inner class creation ...
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