Catch OOMs and exit

[afandian]

Occasionally this happens. Exit and let the service get restated. No harm done.

[DefaultQuartzScheduler_Worker-7] INFO event-data-evidence-log-snapshot.core - Written 80000 lines
at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:226)
at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1048)
at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:995)
at clojure.core$apply.invokeStatic(core.clj:646)
at robert.bruce$retry.invoke(bruce.clj:127)
at clojure.lang.AFn.applyToHelper(AFn.java:156)
at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:93)
at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:355)
Caused by: java.lang.OutOfMemoryError: Java heap space
 at clojure.core$apply.invoke(core.clj:641)
 at clojure.core$trampoline$fn__5703.invoke(core.clj:6069)
 at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:349)
 at event_data_evidence_log_snapshot.core$run_hourly_backfill.invoke(core.clj:248)
 at event_data_evidence_log_snapshot.core$ensure_hour_evidence_logs.invokeStatic(core.clj:164)
 at robert.bruce$try_try_again$fn__518.invoke(bruce.clj:167)
 at event_data_evidence_log_snapshot.core$retrieve_date_range.invokeStatic(core.clj:102)
 at clojure.core$apply.invokeStatic(core.clj:646)
 at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:71)
 at event_data_evidence_log_snapshot.core$retrieve_date_range.invoke(core.clj:50)