ConfX created CASSANDRA-19732:
---------------------------------
Summary: Schema Change Timeout when Cassandra all cassandra nodes
restart
Key: CASSANDRA-19732
URL: https://issues.apache.org/jira/browse/CASSANDRA-19732
Project: Cassandra
Issue Type: Bug
Components: Cluster/Schema
Reporter: ConfX
h3. What happened
The Cassandra nodes cannot change schema successfully after a restart.
h3. How to reproduce
Put the following code under
`cassandra/test/distributed/org/apache/cassandra/distributed/upgrade`.
{code:java}
package org.apache.cassandra.distributed.upgrade;
public class DemoSchemaChangeTest extends UpgradeTestBase
{
@Test
public void demoTest() throws Throwable
{
new TestCase()
.nodes(2)
.nodesToUpgrade(1)
.upgradesToCurrentFrom(v3X)
.setup((cluster) -> {
cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE
"+KEYSPACE+".tbl1 (id int primary key, i int)");
})
.runAfterNodeUpgrade((cluster, node) -> {
cluster.get(2).shutdown(true).get(1, TimeUnit.MINUTES);
cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE
"+KEYSPACE+".tbl2 (id int primary key, i int)");
cluster.get(1).shutdown(true).get(1, TimeUnit.MINUTES);
cluster.get(1).startup();
cluster.get(2).startup();
assertFalse(cluster.get(1).isShutdown());
assertFalse(cluster.get(2).isShutdown());
cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE
"+KEYSPACE+".tbl3 (id int primary key, i int)");
assertRows(cluster.get(1).executeInternal("SELECT table_name FROM
system_schema.tables WHERE keyspace_name = ?", KEYSPACE),
row("tbl1"), row("tbl2"), row("tbl3"));
assertRows(cluster.get(2).executeInternal("SELECT
table_name FROM system_schema.tables WHERE keyspace_name = ?", KEYSPACE),
row("tbl1"), row("tbl2"), row("tbl3"));
}).run();
}
} {code}
Build and run the above tests with dtest version jars >= 4.1-alpha1. In my
case, I'm using dtest-4.1-alpha1 and dtest-4.1-beta1.jar. Run it with the
following command:
{code:java}
$ ant test-jvm-dtest-some -Duse.jdk11=true
-Dtest.name=org.apache.cassandra.distributed.upgrade.DemoSchemaChangeTest {code}
You will see the following error message:
{code:java}
[junit-timeout] Testcase:
demoTest(org.apache.cassandra.distributed.upgrade.DemoSchemaChangeTest)-_jdk11:
FAILED
[junit-timeout] Error in test '4.1-beta1 -> [4.1-beta1]' while upgrading to
'4.1-beta1'; successful upgrades []
[junit-timeout] junit.framework.AssertionFailedError: Error in test '4.1-beta1
-> [4.1-beta1]' while upgrading to '4.1-beta1'; successful upgrades []
[junit-timeout] at
org.apache.cassandra.distributed.upgrade.UpgradeTestBase$TestCase.run(UpgradeTestBase.java:442)
[junit-timeout] at
org.apache.cassandra.distributed.upgrade.JVMDTestUpgradeTest.demoTest(JVMDTestUpgradeTest.java:236)
[junit-timeout] at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[junit-timeout] at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[junit-timeout] at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[junit-timeout] Caused by: java.lang.IllegalStateException: Schema agreement
not reached. Schema versions of the instances:
[7ce42f2a-d2a7-31aa-94d5-daba2e4ef24d, f55fc01d-53eb-325a-98d6-dda22d5208d0]
[junit-timeout] at
org.apache.cassandra.distributed.impl.AbstractCluster$ChangeMonitor.waitForCompletion(AbstractCluster.java:939)
[junit-timeout] at
org.apache.cassandra.distributed.impl.AbstractCluster.lambda$schemaChange$9(AbstractCluster.java:867)
[junit-timeout] at
org.apache.cassandra.concurrent.FutureTask$1.call(FutureTask.java:81)
[junit-timeout] at
org.apache.cassandra.concurrent.FutureTask.call(FutureTask.java:47)
[junit-timeout] at
org.apache.cassandra.concurrent.FutureTask.run(FutureTask.java:57)
[junit-timeout] at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
[junit-timeout] at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
[junit-timeout] at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
[junit-timeout] at java.base/java.lang.Thread.run(Thread.java:829)
{code}
The java.lang.IllegalStateException is thrown by getMonitorTimeoutMessage() in
AbstractCluster.java due to timeout. The expected behavior should be that the
schema change can be successfully executed after all nodes restart.
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