Hi,
I have a rest API exposed using camel Jetty. The api makes call to another
API to fetch some data.
Intermittently, we are getting exception "I/O exception
(java.net.SocketException) caught when processing request: Too many open
files". The number of connections is well below the default Unix uLimit of
1024. I am using Camel 2.18.2. Any pointers to solve this problem?
2017-04-25T09:19:11,341 INFO [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Retrying request
2017-04-25T09:19:11,341 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpConnection: Open connection to XXXXXXX
2017-04-25T09:19:11,341 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Closing the connection.
2017-04-25T09:19:11,341 INFO [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: I/O exception
(java.net.SocketException) caught when processing request: Too many open
files
2017-04-25T09:19:11,341 INFO [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Retrying request
2017-04-25T09:19:11,341 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpConnection: Open connection to
p1dn-id-vs:8080
2017-04-25T09:19:11,341 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Closing the connection.
2017-04-25T09:19:11,341 INFO [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: I/O exception
(java.net.SocketException) caught when processing request: Too many open
files
2017-04-25T09:19:11,342 INFO [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Retrying request
2017-04-25T09:19:11,342 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpConnection: Open connection to XXXXXXX
2017-04-25T09:19:11,342 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Closing the connection.
2017-04-25T09:19:11,342 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpMethodDirector: Method retry handler
returned false. Automatic recovery will not be attempted
2017-04-25T09:19:11,342 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.HttpConnection: Releasing connection back to
connection manager.
2017-04-25T09:19:11,342 DEBUG [qtp1005845925-25 - /check_dnc_media]
org.apache.commons.httpclient.MultiThreadedHttpConnectionManager: Freeing
connection, hostConfig=HostConfiguration[host=http: XXXXXX
Route definition:
<camel:route id="dnc_webget_route">
<from
uri="jetty:{{dnc.dmz.service.address}}/check_dnc_media" />
<camel:removeHeaders pattern="CamelHttp*" />
<camel:setHeader headerName="CamelHttpMethod">
<camel:constant>GET</camel:constant>
</camel:setHeader>
<camel:setHeader headerName="Content-Type">
<camel:constant>application/json</camel:constant>
</camel:setHeader>
<camel:enrich>
<camel:simple>
{{dnc.api.url}}?throwExceptionOnFailure=false
</camel:simple>
</camel:enrich>
<camel:unmarshal ref="succ_resp" />
<camel:process ref="dncResponseProcessor" />
<camel:process ref="webgetResponseProcessor" />
<camel:onException id="camel_OnException">
<camel:exception>java.net.ConnectException</camel:exception>
<camel:exception>java.lang.Throwable</camel:exception>
<camel:handled>
<constant>true</constant>
</camel:handled>
<camel:process ref="webGetExceptionProcessor"
id="webGetExceptionProcessor" />
</camel:onException>
</camel:route>
--
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