Rob Young created FLINK-35732:
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Summary: flink-sql-client.sh fails with ClassNotFoundException
depending on it's location
Key: FLINK-35732
URL: https://issues.apache.org/jira/browse/FLINK-35732
Project: Flink
Issue Type: Bug
Components: Deployment / Scripts
Affects Versions: 1.19.1
Reporter: Rob Young
To reproduce:
1. create a directory `mkdir my-flink-sql-gateway-project`
2. unpack a flink binary distribution inside that directory
3. run `./my-flink-sql-gateway-project/flink-1.19.1/bin/sql-client.sh
Expected: the SQL console starts
Actual: fails with stack trace:
{code:java}
Exception in thread "main" org.apache.flink.table.client.SqlClientException:
Unexpected exception. This is a bug. Please consider filing an issue.
at
org.apache.flink.table.client.SqlClient.startClient(SqlClient.java:242)
at org.apache.flink.table.client.SqlClient.main(SqlClient.java:179)
Caused by: java.lang.NoClassDefFoundError:
org/apache/flink/table/gateway/service/context/DefaultContext
at
org.apache.flink.table.client.gateway.DefaultContextUtils.buildDefaultContext(DefaultContextUtils.java:57)
at org.apache.flink.table.client.SqlClient.start(SqlClient.java:106)
at
org.apache.flink.table.client.SqlClient.startClient(SqlClient.java:228)
... 1 more
Caused by: java.lang.ClassNotFoundException:
org.apache.flink.table.gateway.service.context.DefaultContext
at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
... 4 more
{code}
It also fails if the distribution is placed in a directory named
`my-flink-sql-client-project`, with stacktrace:
{code:java}
Error: Could not find or load main class org.apache.flink.table.client.SqlClient
Caused by: java.lang.ClassNotFoundException:
org.apache.flink.table.client.SqlClient
{code}
I think this is caused by the
regexes[[1|https://github.com/apache/flink/blob/master/flink-table/flink-sql-client/bin/sql-client.sh#L71]][[2|https://github.com/apache/flink/blob/e7d7db3b6f87e53d9bace2a16cf95e5f7a79087a/flink-table/flink-sql-client/bin/sql-client.sh#L81]]
matching all the jars in the lib dir unexpectedly. It looks like it would also
be a problem if the flink distribution was contained in a dir named
`my-flink-python-project` and you needed flink-python on the classpath.
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