Paul Rogers created DRILL-5101:
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Summary: Provide boot-time option to disable the Dynamic UDF
feature
Key: DRILL-5101
URL: https://issues.apache.org/jira/browse/DRILL-5101
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.9.0
Reporter: Paul Rogers
Assignee: Arina Ielchiieva
Priority: Minor
A Windows user on the mailing list could not start an embedded Drillbit because
the Dynamic UDF feature tried to create a directory on the user's protected
Users folder:
{code}
Error: Failure in starting embedded Drillbit: org.apache.drill.common.exceptions
.DrillRuntimeException: Error during udf area creation [/C:/Users/ivy.chan/drill
/udf/registry] on file system [file:///] (state=,code=0)
java.sql.SQLException: Failure in starting embedded Drillbit: org.apache.drill.c
ommon.exceptions.DrillRuntimeException: Error during udf area creation [/C:/User
s/ivy.chan/drill/udf/registry] on file system [file:///]
at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnection
Impl.java:128)
at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(Dril
lJdbc41Factory.java:70)
at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.ja
va:69)
{code}
The fastest workaround (since this was an embedded Drillbit) would be to
disable the Dynamic UDF feature. Unfortunately, the only option to do so is a
runtime option that requires that the Drillbit be started. That creates a
vicious circle: we can't start the Drillbit unless we disable Dynamic UDFs, but
we can't disable them unless we start the Drillbit.
The workaround might be to change the root directory, which is why this bug is
marked minor.
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