Closed
Description
When I run a query that returns 0 results, the ArangoCursor throws a NPE when closing.
try (ArangoCursor<BaseDocument> cursor = dbContext.db.query(MIGRATION_APPLIED_QUERY,
params,
null,
BaseDocument.class) ) {
countSize = cursor.hasNext() ? -1 : 0;
} catch ( IOException e ) {
throw new IllegalArgumentException("Couldn't find migration status for " + migrationName, e);
} catch (NullPointerException npe) {
System.err.println("Probably ok. Bug in ArangoDB driver for auto closed cursors.");
npe.printStackTrace();
}
Here's the stack
java.lang.IllegalArgumentException: Couldn't find migration status for 2
at com.deusdatsolutions.migrantverde.Migrator.notApplied(Migrator.java:181)
at com.deusdatsolutions.migrantverde.Migrator.migrate(Migrator.java:106)
at com.deusdatsolutions.migrantverde.MigratorIT.a(MigratorIT.java:99)
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:483)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.NullPointerException
at com.arangodb.internal.ArangoExecutor.createPath(ArangoExecutor.java:92)
at com.arangodb.internal.InternalArangoDatabase.queryCloseRequest(InternalArangoDatabase.java:156)
at com.arangodb.ArangoDatabase.access$200(ArangoDatabase.java:67)
at com.arangodb.ArangoDatabase$1.close(ArangoDatabase.java:250)
at com.arangodb.ArangoCursor.close(ArangoCursor.java:100)
at com.deusdatsolutions.migrantverde.Migrator.notApplied(Migrator.java:180)
... 26 more