Fix crash in Online Tracking for Pixels

[fioriNTU]

This PR fixes a crash in the online pixel client, it is based on 10_0_3 as requested by the DQM team.
It will be submitted later in 10_1_X

[cmsbuild]

A new Pull Request was created by @fioriNTU for CMSSW_10_0_X.

It involves the following packages:

DQM/Integration
DQM/SiPixelPhase1Config

@vazzolini, @kmaeshima, @dmitrijus, @cmsbuild, @jfernan2, @vanbesien can you please review it and eventually sign? Thanks.
@batinkov, @hdelanno, @makortel, @thomreis, @idebruyn, @threus this is something you requested to watch as well.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[dmitrijus]

Why is it so different from 10_1_X?

[fioriNTU]

@dmitrijus, because in 10_0_X another PR was already merged in the IB (#22336), so I had to workaround it.

[dmitrijus]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/26817/console Started: 2018/03/13 15:11

[cmsbuild]

+1
Tested at: bbf013a
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22555/26817/summary.html

[cmsbuild]

Comparison job queued.

[dmitrijus]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_10_0_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_10_1_X is complete. This pull request will now be reviewed by the release team before it's merged. @davidlange6, @slava77, @smuzaffar, @fabiocos (and backports should be raised in the release meeting by the corresponding L2)

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-22555/26817/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 27
• DQMHistoTests: Total histograms compared: 2468519
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2468349
• DQMHistoTests: Total skipped: 169
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 1.08000000005 KiB( 22 files compared)
• Checked 111 log files, 9 edm output root files, 27 DQM output files

[fabiocos]

+1