github.io/janino/changelog.html
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> *From: *David Anderson
> *Date: *Thursday, June 9, 2022 at 12:05 PM
> *To: *Benenson, Michael
> *Cc: *user@flink.apache.org , Deshpande, Omkar <
> omkar_deshpa...@intuit.com>, Waghulde, Suraj
> *Subject: *Re:
> …
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> Caused by: org.codehaus.commons.compiler.CompileException: Line 30, Column
> 75: Cannot determine simple type name "org"
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> at
> org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12211)
> ~[flink-table-runtime-1.15.0.jar:1.15.0]
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A Table can have at most one time attribute. In your Table the proc_time
column is a processing time attribute, and when you define a watermark on
the event_time column then that column becomes an event-time attribute.
If you want to combine event time and processing time, you can use
the PROCTIME
