shiwxyz commented on issue #50119:
URL: https://github.com/apache/doris/issues/50119#issuecomment-2811993130
I also encountered similar issues while using UDAF.The version is **v2.1.6**.
I need to input three parameters for UDF.And I check my code,the method of
serialize has two parameters .
` public void add(State state, String expression, String bizCode, double
value) throws Exception {
/* here doing update work when input data*/
if (state.expression.isEmpty()) {
state.expression = expression;
}
state.valueMap.put(bizCode, value);
}
public void serialize(State state, DataOutputStream out) throws
Exception {
if (state == null || state.expression == null) {
throw new NullPointerException("State or expression is empty");
}
StringBuilder sb = new StringBuilder();
sb.append(state.expression).append("|");
for (Map.Entry<String, Double> entry : state.valueMap.entrySet()) {
sb.append(entry.getKey()).append(":").append(entry.getValue()).append(",");
}
out.writeUTF(sb.toString());
}`
`org.apache.doris.common.AnalysisException: errCode = 2, detailMessage = The
number of parameters for method 'serialize' in class
'com.doris.udf.DynamicExprUDF' should be 2
at
org.apache.doris.analysis.CreateFunctionStmt.checkArgumentCount(CreateFunctionStmt.java:527)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.analysis.CreateFunctionStmt.checkUdafClass(CreateFunctionStmt.java:481)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.analysis.CreateFunctionStmt.analyzeJavaUdaf(CreateFunctionStmt.java:410)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.analysis.CreateFunctionStmt.analyzeUda(CreateFunctionStmt.java:353)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.analysis.CreateFunctionStmt.analyze(CreateFunctionStmt.java:208)
~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.qe.StmtExecutor.analyze(StmtExecutor.java:1257)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.StmtExecutor.executeByLegacy(StmtExecutor.java:865)
~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:598)
~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:521)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.ConnectProcessor.executeQuery(ConnectProcessor.java:323)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:206)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.MysqlConnectProcessor.handleQuery(MysqlConnectProcessor.java:272)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.MysqlConnectProcessor.dispatch(MysqlConnectProcessor.java:300)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.MysqlConnectProcessor.processOnce(MysqlConnectProcessor.java:358)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52)
~[doris-fe.jar:1.2-SNAPSHOT]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
~[?:1.8.0_342]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
~[?:1.8.0_342]
at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_342]`
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