[jira] [Created] (FLINK-25487) Improve exception when flink-table-runtime is not in classpath

["Timo Walther (Jira)" <ji...@apache.org>]

Timo Walther created FLINK-25487:
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             Summary: Improve exception when flink-table-runtime is not in classpath
                 Key: FLINK-25487
                 URL: https://issues.apache.org/jira/browse/FLINK-25487
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Timo Walther


If flink-table-runtime is not in the classpath, an exception can be quite cryptic. 

{code}
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/flink/calcite/shaded/com/jayway/jsonpath/spi/mapper/MappingProvider
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
	at java.lang.Class.getMethod0(Class.java:3018)
	at java.lang.Class.getMethod(Class.java:1784)
	at org.apache.calcite.linq4j.tree.Types.lookupMethod(Types.java:314)
	at org.apache.calcite.util.BuiltInMethod.<init>(BuiltInMethod.java:646)
	at org.apache.calcite.util.BuiltInMethod.<clinit>(BuiltInMethod.java:345)
	at org.apache.calcite.rel.metadata.RelMdPercentageOriginalRows.<clinit>(RelMdPercentageOriginalRows.java:41)
	at org.apache.calcite.rel.metadata.DefaultRelMetadataProvider.<init>(DefaultRelMetadataProvider.java:42)
	at org.apache.calcite.rel.metadata.DefaultRelMetadataProvider.<clinit>(DefaultRelMetadataProvider.java:28)
	at org.apache.calcite.plan.RelOptCluster.<init>(RelOptCluster.java:91)
	at org.apache.calcite.plan.RelOptCluster.create(RelOptCluster.java:100)
	at org.apache.flink.table.planner.calcite.FlinkRelOptClusterFactory$.create(FlinkRelOptClusterFactory.scala:36)
	at org.apache.flink.table.planner.calcite.FlinkRelOptClusterFactory.create(FlinkRelOptClusterFactory.scala)
	at org.apache.flink.table.planner.delegation.PlannerContext.<init>(PlannerContext.java:137)
	at org.apache.flink.table.planner.delegation.PlannerBase.<init>(PlannerBase.scala:113)
	at org.apache.flink.table.planner.delegation.StreamPlanner.<init>(StreamPlanner.scala:55)
	at org.apache.flink.table.planner.delegation.DefaultPlannerFactory.create(DefaultPlannerFactory.java:62)
	at org.apache.flink.table.planner.loader.DelegatePlannerFactory.create(DelegatePlannerFactory.java:36)
	at org.apache.flink.table.factories.PlannerFactoryUtil.createPlanner(PlannerFactoryUtil.java:53)
	at org.apache.flink.table.api.bridge.java.internal.StreamTableEnvironmentImpl.create(StreamTableEnvironmentImpl.java:123)
	at org.apache.flink.table.api.bridge.java.StreamTableEnvironment.create(StreamTableEnvironment.java:128)
	at org.apache.flink.table.api.bridge.java.StreamTableEnvironment.create(StreamTableEnvironment.java:96)
	at com.ververica.Example_04_Table_ETL.main(Example_04_Table_ETL.java:18)
Caused by: java.lang.ClassNotFoundException: org.apache.flink.calcite.shaded.com.jayway.jsonpath.spi.mapper.MappingProvider
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at org.apache.flink.core.classloading.ComponentClassLoader.loadClassFromOwnerOnly(ComponentClassLoader.java:139)
	at org.apache.flink.core.classloading.ComponentClassLoader.loadClassFromComponentFirst(ComponentClassLoader.java:133)
	at org.apache.flink.core.classloading.ComponentClassLoader.loadClass(ComponentClassLoader.java:95)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 25 more
{code}



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