[
https://issues.apache.org/jira/browse/CASSANDRA-15896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ostico updated CASSANDRA-15896:
-------------------------------
Description:
It seems that Cassandra accept empty strings "" ( FROM JSON string ) for UUID
fields but crash when asking for JSON serialization of those fields.
Cassandra version 3.6.11.6 running in docker from official Dockerhub image.
Java driver:
{code:java}
<!-- https://mvnrepository.com/artifact/com.datastax.oss/java-driver-core -->
<dependency>
<groupId>com.datastax.oss</groupId>
<artifactId>java-driver-core</artifactId>
<version>4.7.0</version>
</dependency>
{code}
The attached code is to allow bug reproducibility:
{code:java}
package com.foo.bar;
import com.datastax.oss.driver.api.core.CqlSession;
import com.datastax.oss.driver.api.core.CqlSessionBuilder;
import com.datastax.oss.driver.api.core.cql.PreparedStatement;
import com.datastax.oss.driver.api.core.cql.ResultSet;
import com.datastax.oss.driver.api.core.cql.Row;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.*;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
/**
* @author Domenico Lupinetti <[email protected]> - 23/06/2020
*/
public class NullPointerExceptionTest {
protected String uuid;
protected CqlSession cqlSession;
@Before
public void setUp() throws Exception {
URI node = new URI( "tcp://localhost:9042" );
final CqlSessionBuilder builder = CqlSession.builder();
cqlSession = builder.addContactPoint( new InetSocketAddress(
node.getHost(),
node.getPort()
) ).withLocalDatacenter( "datacenter1" ).build();
cqlSession.execute( "CREATE KEYSPACE IF NOT EXISTS test_suite WITH
replication = {'class':'SimpleStrategy','replication_factor':1};" );
String sb = "CREATE TABLE IF NOT EXISTS test_suite.test ( id uuid
PRIMARY KEY, another_id uuid, subject text );";
cqlSession.execute( sb );
PreparedStatement stm = cqlSession.prepare( "INSERT INTO
test_suite.test JSON :payload" );
this.uuid = UUID.randomUUID().toString();
HashMap<String, String> payload = new HashMap<>();
payload.put( "id", this.uuid );
// ******* This exception do not happens if the field is set as NULL
payload.put( "another_id", "" ); //<------ EMPTY STRING AS UUID
payload.put( "subject", "Alighieri, Dante. Divina Commedia" );
ObjectMapper objM = new ObjectMapper();
cqlSession.execute(
stm.bind().setString( "payload", objM.writeValueAsString(
payload ) )
); //<------ serialize as JSON
}
@After
public void tearDown() throws Exception {
cqlSession.execute( "DROP TABLE IF EXISTS test_suite.test;" );
cqlSession.execute( "DROP KEYSPACE test_suite;" );
cqlSession.close();
}
@Test
public void testNullPointer() {
PreparedStatement stmt = cqlSession.prepare( "SELECT JSON
another_id FROM test_suite.test where id = :id;" );
ResultSet resultSet = cqlSession.execute( stmt.bind().setUuid(
"id", UUID.fromString( this.uuid ) ) ); // <------ EXCEPTION
Row r = resultSet.one();
assertNotNull( r );
assertNotNull( r.getString( "[json]" ) );
assertFalse( Objects.requireNonNull( r.getString( "[json]" )
).isEmpty() );
}
}
{code}
Client stack Trace:
{code:java}
com.datastax.oss.driver.api.core.servererrors.ServerError:
java.lang.NullPointerExceptioncom.datastax.oss.driver.api.core.servererrors.ServerError:
java.lang.NullPointerException
at
com.datastax.oss.driver.api.core.servererrors.ServerError.copy(ServerError.java:54)
at
com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures.getUninterruptibly(CompletableFutures.java:149)
at
com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:53)
at
com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:30)
at
com.datastax.oss.driver.internal.core.session.DefaultSession.execute(DefaultSession.java:230)
at
com.datastax.oss.driver.api.core.cql.SyncCqlSession.execute(SyncCqlSession.java:53)
at
com.foo.bar.NullPointerExceptionTest.testNullPointer(NullPointerExceptionTest.java:74)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method) at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566) at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at
org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at
org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at
org.junit.runners.ParentRunner.run(ParentRunner.java:413) at
org.junit.runner.JUnitCore.run(JUnitCore.java:137) at
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
{code}
Cassandra stack Trace:
{code:java}
ERROR [Native-Transport-Requests-1] 2020-06-23 09:57:48,074
ErrorMessage.java:384 - Unexpected exception during requestERROR
[Native-Transport-Requests-1] 2020-06-23 09:57:48,074 ErrorMessage.java:384 -
Unexpected exception during requestjava.lang.NullPointerException: null at
org.apache.cassandra.db.marshal.AbstractType.toJSONString(AbstractType.java:156)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.selection.Selection.rowToJson(Selection.java:343)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.selection.Selection$ResultSetBuilder.getOutputRow(Selection.java:494)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.selection.Selection$ResultSetBuilder.build(Selection.java:477)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:794)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:438)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:416)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:289)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:117)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:225)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:532)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:509)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:146)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.transport.Message$Dispatcher.processRequest(Message.java:686)
[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.transport.Message$Dispatcher.lambda$channelRead0$0(Message.java:592)
[apache-cassandra-3.11.6.jar:3.11.6] at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
~[na:1.8.0_252] at
org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:165)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:113)
~[apache-cassandra-3.11.6.jar:3.11.6] at java.lang.Thread.run(Thread.java:748)
~[na:1.8.0_252]
{code}
was:
It seems that Cassandra accept empty strings "" ( FROM JSON string ) for UUID
fields but crash when asking for JSON serialization of those fields.
Cassandra version 3.6.11.6 running in docker from official Dockerhub image.
Java driver:
{code:java}
<!-- https://mvnrepository.com/artifact/com.datastax.oss/java-driver-core -->
<dependency>
<groupId>com.datastax.oss</groupId>
<artifactId>java-driver-core</artifactId>
<version>4.7.0</version>
</dependency>
{code}
The attached code is to allow bug reproducibility:
{code:java}
package com.foo.bar;
import com.datastax.oss.driver.api.core.CqlSession;
import com.datastax.oss.driver.api.core.CqlSessionBuilder;
import com.datastax.oss.driver.api.core.cql.PreparedStatement;
import com.datastax.oss.driver.api.core.cql.ResultSet;
import com.datastax.oss.driver.api.core.cql.Row;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.*;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
/**
* @author Domenico Lupinetti <[email protected]> - 23/06/2020
*/
public class NullPointerExceptionTest {
protected String uuid;
protected CqlSession cqlSession;
@Before
public void setUp() throws Exception {
URI node = new URI( "tcp://localhost:9042" );
final CqlSessionBuilder builder = CqlSession.builder();
cqlSession = builder.addContactPoint( new InetSocketAddress(
node.getHost(),
node.getPort()
) ).withLocalDatacenter( "datacenter1" ).build();
cqlSession.execute( "CREATE KEYSPACE IF NOT EXISTS test_suite WITH
replication = {'class':'SimpleStrategy','replication_factor':1};" );
String sb = "CREATE TABLE IF NOT EXISTS test_suite.test ( id uuid
PRIMARY KEY, another_id uuid, subject text );";
cqlSession.execute( sb );
PreparedStatement stm = cqlSession.prepare( "INSERT INTO
test_suite.test JSON :payload" );
this.uuid = UUID.randomUUID().toString();
HashMap<String, String> payload = new HashMap<>();
payload.put( "id", this.uuid );
payload.put( "another_id", "" ); //<------ EMPTY STRING AS UUID
payload.put( "subject", "Alighieri, Dante. Divina Commedia" );
ObjectMapper objM = new ObjectMapper();
cqlSession.execute(
stm.bind().setString( "payload", objM.writeValueAsString(
payload ) )
); //<------ serialize as JSON
}
@After
public void tearDown() throws Exception {
cqlSession.execute( "DROP TABLE IF EXISTS test_suite.test;" );
cqlSession.execute( "DROP KEYSPACE test_suite;" );
cqlSession.close();
}
@Test
public void testNullPointer() {
PreparedStatement stmt = cqlSession.prepare( "SELECT JSON
another_id FROM test_suite.test where id = :id;" );
ResultSet resultSet = cqlSession.execute( stmt.bind().setUuid(
"id", UUID.fromString( this.uuid ) ) ); // <------ EXCEPTION
Row r = resultSet.one();
assertNotNull( r );
assertNotNull( r.getString( "[json]" ) );
assertFalse( Objects.requireNonNull( r.getString( "[json]" )
).isEmpty() );
}
}
{code}
Client stack Trace:
{code:java}
com.datastax.oss.driver.api.core.servererrors.ServerError:
java.lang.NullPointerExceptioncom.datastax.oss.driver.api.core.servererrors.ServerError:
java.lang.NullPointerException
at
com.datastax.oss.driver.api.core.servererrors.ServerError.copy(ServerError.java:54)
at
com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures.getUninterruptibly(CompletableFutures.java:149)
at
com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:53)
at
com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:30)
at
com.datastax.oss.driver.internal.core.session.DefaultSession.execute(DefaultSession.java:230)
at
com.datastax.oss.driver.api.core.cql.SyncCqlSession.execute(SyncCqlSession.java:53)
at
com.foo.bar.NullPointerExceptionTest.testNullPointer(NullPointerExceptionTest.java:74)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method) at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566) at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at
org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at
org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at
org.junit.runners.ParentRunner.run(ParentRunner.java:413) at
org.junit.runner.JUnitCore.run(JUnitCore.java:137) at
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
{code}
Cassandra stack Trace:
{code:java}
ERROR [Native-Transport-Requests-1] 2020-06-23 09:57:48,074
ErrorMessage.java:384 - Unexpected exception during requestERROR
[Native-Transport-Requests-1] 2020-06-23 09:57:48,074 ErrorMessage.java:384 -
Unexpected exception during requestjava.lang.NullPointerException: null at
org.apache.cassandra.db.marshal.AbstractType.toJSONString(AbstractType.java:156)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.selection.Selection.rowToJson(Selection.java:343)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.selection.Selection$ResultSetBuilder.getOutputRow(Selection.java:494)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.selection.Selection$ResultSetBuilder.build(Selection.java:477)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:794)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:438)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:416)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:289)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:117)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:225)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:532)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:509)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:146)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.transport.Message$Dispatcher.processRequest(Message.java:686)
[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.transport.Message$Dispatcher.lambda$channelRead0$0(Message.java:592)
[apache-cassandra-3.11.6.jar:3.11.6] at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
~[na:1.8.0_252] at
org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:165)
~[apache-cassandra-3.11.6.jar:3.11.6] at
org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:113)
~[apache-cassandra-3.11.6.jar:3.11.6] at java.lang.Thread.run(Thread.java:748)
~[na:1.8.0_252]
{code}
> NullPointerException in SELECT JSON statement when a field UUID is an empty
> string
> ----------------------------------------------------------------------------------
>
> Key: CASSANDRA-15896
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15896
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Interpreter, CQL/Semantics
> Reporter: Ostico
> Priority: Normal
>
> It seems that Cassandra accept empty strings "" ( FROM JSON string ) for UUID
> fields but crash when asking for JSON serialization of those fields.
>
> Cassandra version 3.6.11.6 running in docker from official Dockerhub image.
> Java driver:
> {code:java}
> <!-- https://mvnrepository.com/artifact/com.datastax.oss/java-driver-core -->
> <dependency>
> <groupId>com.datastax.oss</groupId>
> <artifactId>java-driver-core</artifactId>
> <version>4.7.0</version>
> </dependency>
> {code}
> The attached code is to allow bug reproducibility:
> {code:java}
> package com.foo.bar;
> import com.datastax.oss.driver.api.core.CqlSession;
> import com.datastax.oss.driver.api.core.CqlSessionBuilder;
> import com.datastax.oss.driver.api.core.cql.PreparedStatement;
> import com.datastax.oss.driver.api.core.cql.ResultSet;
> import com.datastax.oss.driver.api.core.cql.Row;
> import com.fasterxml.jackson.databind.ObjectMapper;
> import org.junit.After;
> import org.junit.Before;
> import org.junit.Test;
> import java.net.InetSocketAddress;
> import java.net.URI;
> import java.util.*;
> import static org.junit.Assert.assertFalse;
> import static org.junit.Assert.assertNotNull;
> /**
> * @author Domenico Lupinetti <[email protected]> - 23/06/2020
> */
> public class NullPointerExceptionTest {
> protected String uuid;
> protected CqlSession cqlSession;
> @Before
> public void setUp() throws Exception {
> URI node = new URI( "tcp://localhost:9042" );
> final CqlSessionBuilder builder = CqlSession.builder();
> cqlSession = builder.addContactPoint( new InetSocketAddress(
> node.getHost(),
> node.getPort()
> ) ).withLocalDatacenter( "datacenter1" ).build();
> cqlSession.execute( "CREATE KEYSPACE IF NOT EXISTS test_suite WITH
> replication = {'class':'SimpleStrategy','replication_factor':1};" );
> String sb = "CREATE TABLE IF NOT EXISTS test_suite.test ( id uuid
> PRIMARY KEY, another_id uuid, subject text );";
> cqlSession.execute( sb );
> PreparedStatement stm = cqlSession.prepare( "INSERT INTO
> test_suite.test JSON :payload" );
> this.uuid = UUID.randomUUID().toString();
> HashMap<String, String> payload = new HashMap<>();
> payload.put( "id", this.uuid );
> // ******* This exception do not happens if the field is set as NULL
> payload.put( "another_id", "" ); //<------ EMPTY STRING AS UUID
> payload.put( "subject", "Alighieri, Dante. Divina Commedia" );
> ObjectMapper objM = new ObjectMapper();
> cqlSession.execute(
> stm.bind().setString( "payload", objM.writeValueAsString(
> payload ) )
> ); //<------ serialize as JSON
> }
> @After
> public void tearDown() throws Exception {
> cqlSession.execute( "DROP TABLE IF EXISTS test_suite.test;" );
> cqlSession.execute( "DROP KEYSPACE test_suite;" );
> cqlSession.close();
> }
> @Test
> public void testNullPointer() {
> PreparedStatement stmt = cqlSession.prepare( "SELECT JSON
> another_id FROM test_suite.test where id = :id;" );
> ResultSet resultSet = cqlSession.execute(
> stmt.bind().setUuid( "id", UUID.fromString( this.uuid ) ) ); // <------
> EXCEPTION
> Row r = resultSet.one();
> assertNotNull( r );
> assertNotNull( r.getString( "[json]" ) );
> assertFalse( Objects.requireNonNull( r.getString( "[json]" )
> ).isEmpty() );
> }
> }
> {code}
> Client stack Trace:
> {code:java}
> com.datastax.oss.driver.api.core.servererrors.ServerError:
> java.lang.NullPointerExceptioncom.datastax.oss.driver.api.core.servererrors.ServerError:
> java.lang.NullPointerException
> at
> com.datastax.oss.driver.api.core.servererrors.ServerError.copy(ServerError.java:54)
> at
> com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures.getUninterruptibly(CompletableFutures.java:149)
> at
> com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:53)
> at
> com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:30)
> at
> com.datastax.oss.driver.internal.core.session.DefaultSession.execute(DefaultSession.java:230)
> at
> com.datastax.oss.driver.api.core.cql.SyncCqlSession.execute(SyncCqlSession.java:53)
> at
> com.foo.bar.NullPointerExceptionTest.testNullPointer(NullPointerExceptionTest.java:74)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method) at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:566) at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at
> org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at
> org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at
> org.junit.runners.ParentRunner.run(ParentRunner.java:413) at
> org.junit.runner.JUnitCore.run(JUnitCore.java:137) at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
> at
> com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
> at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
> {code}
> Cassandra stack Trace:
>
> {code:java}
> ERROR [Native-Transport-Requests-1] 2020-06-23 09:57:48,074
> ErrorMessage.java:384 - Unexpected exception during requestERROR
> [Native-Transport-Requests-1] 2020-06-23 09:57:48,074 ErrorMessage.java:384 -
> Unexpected exception during requestjava.lang.NullPointerException: null at
> org.apache.cassandra.db.marshal.AbstractType.toJSONString(AbstractType.java:156)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.selection.Selection.rowToJson(Selection.java:343)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.selection.Selection$ResultSetBuilder.getOutputRow(Selection.java:494)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.selection.Selection$ResultSetBuilder.build(Selection.java:477)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:794)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:438)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:416)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:289)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:117)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:225)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:532)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:509)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:146)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.transport.Message$Dispatcher.processRequest(Message.java:686)
> [apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.transport.Message$Dispatcher.lambda$channelRead0$0(Message.java:592)
> [apache-cassandra-3.11.6.jar:3.11.6] at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_252] at
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:165)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:113)
> ~[apache-cassandra-3.11.6.jar:3.11.6] at
> java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_252]
> {code}
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