Andrew Pilloud

[Bug]: grpcio==1.48.0 causes Java expansion service to hang on startup in Python XLang pipelines.

35

### What happened? Symptoms ``` 22:32:02 apache_beam/transforms/sql_test.py::SqlTransformTest::test_filter 22:32:02 -------------------------------- live log call --------------------------------- 22:32:02 INFO apache_beam.utils.subprocess_server:subprocess_server.py:239 Using pre-built snapshot at /home/jenkins/jenkins-slave/workspace/beam_PostCommit_XVR_Direct/src/sdks/java/extensions/sql/expansion-service/build/libs/beam-sdks-java-extensions-sql-expansion-service-2.42.0-SNAPSHOT.jar 22:32:02 INFO root:external.py:773 Starting a JAR-based expansion service from...

Test for PolarSSL adds `-L/lib` to `LDFLAGS` if `POLARSSL_DIR` is not set. This breaks cross compiling, as the host's libraries are used.