milvus-java-test testSearchIVFLATBinary run fail

[znn0301]

code:
@test(dataProvider = "BinaryCollection", dataProviderClass = MainClass.class)
public void testSearchIVFLATBinary(MilvusClient client, String collectionName) {
List intValues = new ArrayList<>(Constants.nb);
List floatValues = new ArrayList<>(Constants.nb);
List vectors = Utils.genBinaryVectors(Constants.nb, Constants.dimension);
for (int i = 0; i < Constants.nb; ++i) {
intValues.add((long) i);
floatValues.add((float) i);
}
InsertParam insertParam = InsertParam
.create(collectionName)
.addField(Constants.intFieldName, DataType.INT64, intValues)
.addField(Constants.floatFieldName, DataType.FLOAT, floatValues)
.addVectorField(Constants.binaryVectorFieldName, DataType.VECTOR_BINARY, vectors);
List entityIds = client.insert(insertParam);
client.flush(collectionName);
Index index = Index
.create(collectionName, Constants.binaryVectorFieldName)
.setIndexType(IndexType.BIN_FLAT)
.setMetricType(Constants.defaultBinaryMetricType)
.setParamsInJson(new JsonBuilder().param("nlist", Constants.n_list).build());
client.createIndex(index);
SearchParam searchParam = SearchParam
.create(collectionName)
.setDsl(Utils.setBinarySearchParam(Constants.defaultBinaryMetricType, vectors.subList(0, Constants.nq), Constants.topk, n_probe));
SearchResult resSearch = client.search(searchParam);
Assert.assertEquals(resSearch.getResultIdsList().size(), nq);
Assert.assertEquals(resSearch.getResultIdsList().get(0).size(), top_k);
Assert.assertEquals(resSearch.getResultIdsList().get(0).get(0), entityIds.get(0));
}
error :

java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;

at io.milvus.client.SearchParam.lambda$toBinaryVectorRecord$5(SearchParam.java:166)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.ArrayList$Itr.forEachRemaining(ArrayList.java:899)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at io.milvus.client.SearchParam.toBinaryVectorRecord(SearchParam.java:170)
at io.milvus.client.SearchParam.setDsl(SearchParam.java:75)
at com.TestSearchEntities.testSearchIVFLATBinary(TestSearchEntities.java:363)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:583)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:719)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:989)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
at org.testng.TestRunner.privateRun(TestRunner.java:648)
at org.testng.TestRunner.run(TestRunner.java:505)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:455)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:450)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:415)
at org.testng.SuiteRunner.run(SuiteRunner.java:364)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:84)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1208)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1137)
at org.testng.TestNG.runSuites(TestNG.java:1049)
at org.testng.TestNG.run(TestNG.java:1017)
at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)
at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:123)

[sahuang]

Hi, which version of Java SDK and Milvus were you using?

The error java.lang.NoSuchMethodError usually happens when there is another jar in the dependencies that has the same class (maybe another version for the same library) but doesn't have this method. In this case, maybe your ByteBuffer version has some conflicts with the test.

I ran the case with Milvus 0.11.0 and Java SDK v0.9.1 and it works well.

[znn0301]

Milvus 0.11.0 and Java SDK v0.9.1, Milvus 0.11.0 and Java SDK v0.9.0 , I have done tests, but they all report this error.

[sahuang]

We are using Java JDK 11. Are you using Java 8? This error often happens when you use JDK < 9.

Check this for more information: plasma-umass/doppio#497

[znn0301]

Yes, I use jdk8 here. I changed to jdk11, it's ok. Thanks

[sahuang]

ok