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https://issues.apache.org/jira/browse/METRON-958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16017752#comment-16017752
]
ASF GitHub Bot commented on METRON-958:
---------------------------------------
Github user mmiklavc commented on the issue:
https://github.com/apache/metron/pull/593
Here are some instructions for getting pycapa setup
```
Installing pycapa
====================
env vars
PYCAPA_HOME=/opt/pycapa
PYTHON27_HOME =/opt/rh/python27/root
Install these packages via yum (RHEL, CentOS)
epel-release
centos-release-scl
"@Development tools"
python27
python27-scldevel
python27-python-virtualenv
libpcap-devel
libselinux-python
$ yum -y install epel-release centos-release-scl
$ yum -y install "@Development tools" python27 python27-scldevel
python27-python-virtualenv libpcap-devel libselinux-python
Setup directories
$ mkdir $PYCAPA_HOME && chmod 755 $PYCAPA_HOME
Create virtualenv
$ export LD_LIBRARY_PATH="/opt/rh/python27/root/usr/lib64"
$ ${PYTHON27_HOME}/usr/bin/virtualenv pycapa-venv
Install librdkafka
https://gist.github.com/nickwallen/0ed90197c3e45527147c30614d3b4432#pycapa
Copy pycapa
copy incubator-metron/metron-sensors/pycapa from the Metron source tree
into $PYCAPA_HOME on the node you would like to install pycapa on.
Build it
$ cd ${PYCAPA_HOME}/pycapa
# activate the virtualenv
$ source ${PYCAPA_HOME}/pycapa-venv/bin/activate
$ pip install -r requirements.txt
$ python setup.py install
Run it
$ cd ${PYCAPA_HOME}/pycapa-venv/bin
$ pycapa --producer --topic pcap -i $ETH_INTERFACE -k $KAFKA_BROKER:6667
```
> PCAP Query job throws exception when no files returned by time range query
> --------------------------------------------------------------------------
>
> Key: METRON-958
> URL: https://issues.apache.org/jira/browse/METRON-958
> Project: Metron
> Issue Type: Bug
> Reporter: Michael Miklavcic
> Assignee: Michael Miklavcic
>
> {code}
> bin/pcap_query.sh query -df "yyyyMMddHHmm" -st 201705162000 --query ""
> Exception in thread "main" java.lang.IllegalArgumentException: Can not create
> a Path from an empty string
> at org.apache.hadoop.fs.Path.checkPathArg(Path.java:126)
> at org.apache.hadoop.fs.Path.<init>(Path.java:134)
> at
> org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPaths(FileInputFormat.java:485)
> at org.apache.metron.pcap.mr.PcapJob.createJob(PcapJob.java:285)
> at org.apache.metron.pcap.mr.PcapJob.query(PcapJob.java:237)
> at org.apache.metron.pcap.query.PcapCli.run(PcapCli.java:138)
> at org.apache.metron.pcap.query.PcapCli.main(PcapCli.java:53)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:233)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:148)
> {code}
> For this particular data set, 201705161900 worked fine.
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