Hi,

Thank you, László Várady. I have now fixed it.

The log4j ERROR remains the same even after the fix:

# syslog-ng
log4j:ERROR Could not read configuration file [null].
java.lang.NullPointerException
    at java.io.FileInputStream.<init>(FileInputStream.java:130)
    at java.io.FileInputStream.<init>(FileInputStream.java:93)
    at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:372)
    at org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:403)
    at org.syslog_ng.elasticsearch_v2.client.http.ESHttpClient.<clinit>(ESHttpClient.java:67)
    at org.syslog_ng.elasticsearch_v2.client.ESClientFactory.getESClient(ESClientFactory.java:43)
    at org.syslog_ng.elasticsearch_v2.ElasticSearchDestination.init(ElasticSearchDestination.java:57)
    at org.syslog_ng.LogPipe.initProxy(LogPipe.java:64)
log4j:ERROR Ignoring configuration file [null].
[main] INFO io.searchbox.client.AbstractJestClient - Setting server pool to a list of 1 servers: [http://127.0.0.1:9200]
[main] INFO io.searchbox.client.JestClientFactory - Using multi thread/connection supporting pooling connection manager
[main] INFO io.searchbox.client.JestClientFactory - Using default GSON instance
[main] INFO io.searchbox.client.JestClientFactory - Node Discovery disabled...
[main] INFO io.searchbox.client.JestClientFactory - Idle connection reaping disabled...

Sincerely

Niklas Deffner