I believe you are right, just found likely problem: camel-salesforce
connector, too many open file handles, a bit odd the exception is a WARNing,
not a ERROR.
On RHEL 7.2/Java 1.8/Camel 2.15.1
--------------
ulimit -n
1024
(just before process shuts down)
lsof -i TCP -p 9999 | grep TCP | wc -l
4055
Exception in log
======================
02-02-17 12:00:14 WARN (A-route) [org.eclipse.jetty.client.HttpExchange]:
CONNECTION FAILED
SalesforceExchange@32901595=GET//ofi--QA.cs17.my.salesforce.com:443/services/data/v33.0/sobjects/Contact/00360000026G5OqAAK#CONNECTING(54ms)->EXCEPTED(0ms)
java.net.SocketException: Too many open files
at sun.nio.ch.Net.socket0(Native Method) ~[na:1.8.0_51]
at sun.nio.ch.Net.socket(Net.java:416) ~[na:1.8.0_51]
at sun.nio.ch.Net.socket(Net.java:409) ~[na:1.8.0_51]
at sun.nio.ch.SocketChannelImpl.<init>(SocketChannelImpl.java:105)
~[na:1.8.0_51]
at
sun.nio.ch.SelectorProviderImpl.openSocketChannel(SelectorProviderImpl.java:60)
~[na:1.8.0_51]
at java.nio.channels.SocketChannel.open(SocketChannel.java:145)
~[na:1.8.0_51]
at
org.eclipse.jetty.client.SelectConnector.startConnection(SelectConnector.java:73)
~[jetty-client-8.1.16.v20140903.jar!/:8.1.16.v20140903]
at
org.eclipse.jetty.client.HttpDestination.startNewConnection(HttpDestination.java:292)
[jetty-client-8.1.16.v20140903.jar!/:8.1.16.v20140903]
at
org.eclipse.jetty.client.HttpDestination.doSend(HttpDestination.java:597)
[jetty-client-8.1.16.v20140903.jar!/:8.1.16.v20140903]
at
org.eclipse.jetty.client.HttpDestination.send(HttpDestination.java:532)
[jetty-client-8.1.16.v20140903.jar!/:8.1.16.v20140903]
at org.eclipse.jetty.client.HttpClient.send(HttpClient.java:180)
[jetty-client-8.1.16.v20140903.jar!/:8.1.16.v20140903]
at
org.apache.camel.component.salesforce.internal.client.AbstractClientBase.doHttpRequest(AbstractClientBase.java:174)
[salesforce-connector-ofi-2.15.1.redhat-621084.jar!/:2.15.1.redhat-621084]
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