[jira] [Created] (IGNITE-19350) Fix assertion error in case of empty SQL query

["Nikita Amelchev (Jira)" <ji...@apache.org>]

Nikita Amelchev created IGNITE-19350:
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             Summary: Fix assertion error in case of empty SQL query
                 Key: IGNITE-19350
                 URL: https://issues.apache.org/jira/browse/IGNITE-19350
             Project: Ignite
          Issue Type: Bug
            Reporter: Nikita Amelchev
            Assignee: Nikita Amelchev
             Fix For: 2.16


Empty SQL query throws AssertionError or IndexOutOfBoundsException. SqlParseException is more suitable for this case.

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[20:43:59,672][SEVERE][client-connector-#84%48a3ed6f-4945-42c9-a5f6-09c1f1d26e35%][ClientListenerNioListener] Failed to process client request [req=o.a.i.i.processors.platform.client.cache.ClientCacheSqlFieldsQueryRequest@5fa679b6, msg=null]
java.lang.AssertionError
	at org.apache.ignite.internal.processors.platform.client.cache.ClientCacheSqlFieldsQueryRequest.process(ClientCacheSqlFieldsQueryRequest.java:152)
	at org.apache.ignite.internal.processors.platform.client.ClientRequestHandler.handle(ClientRequestHandler.java:101)
	at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onMessage(ClientListenerNioListener.java:209)
	at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onMessage(ClientListenerNioListener.java:55)
	at org.apache.ignite.internal.util.nio.GridNioFilterChain$TailFilter.onMessageReceived(GridNioFilterChain.java:279)
	at org.apache.ignite.internal.util.nio.GridNioFilterAdapter.proceedMessageReceived(GridNioFilterAdapter.java:109)
	at org.apache.ignite.internal.util.nio.GridNioAsyncNotifyFilter$3.body(GridNioAsyncNotifyFilter.java:97)
	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:125)
	at org.apache.ignite.internal.util.worker.GridWorkerPool$1.run(GridWorkerPool.java:70)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
[20:43:59] (err) Unexpected exception message.org.apache.ignite.client.ClientException: Ignite failed to process request [3]: 50000: null (server status code [1])
{noformat}

{noformat}
[20:42:55] (err) Unexpected exception.java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
	at java.util.ArrayList.rangeCheck(ArrayList.java:659)
	at java.util.ArrayList.get(ArrayList.java:435)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor.querySqlFields(GridQueryProcessor.java:2985)
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