Initialize FileBlob data members

[smuzaffar]

testSerializationCommon iunit tests fails for AARCH64 and CLANG IBs [a]. This change initialize the data member of FileBlob class which should fix this unit test.

This fixes cms-sw/cmsdist#5685
This fixes #21002

[a]

===== Test "testSerializationCommon" ====
Serializing 10ConfObject ...
Deserializing 10ConfObject ...
Serializing 15DropBoxMetadata ...
Deserializing 15DropBoxMetadata ...
Serializing N15DropBoxMetadata10ParametersE ...
Deserializing N15DropBoxMetadata10ParametersE ...
Serializing 8FileBlob ...
Deserializing 8FileBlob ...
terminate called after throwing an instance of 'eos::portable_archive_exception'
  what():  requested integer size exceeds type size: -64
/bin/sh: line 1:  7584 Aborted                 testSerializationCommon

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-30050/15758

• This PR adds an extra 12KB to repository

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for master.

It involves the following packages:

CondFormats/Common

@christopheralanwest, @tocheng, @cmsbuild, @tlampen, @ggovi, @pohsun can you please review it and eventually sign? Thanks.
@mmusich, @tocheng, @seemasharmafnal this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/6698/console Started: 2020/05/29 22:39

[cmsbuild]

+1
Tested at: 06cc6c7
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-33d866/6698/summary.html
CMSSW: CMSSW_11_2_X_2020-05-29-1100
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-33d866/6698/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 36
• DQMHistoTests: Total histograms compared: 2780792
• DQMHistoTests: Total failures: 17
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2780725
• DQMHistoTests: Total skipped: 50
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 35 files compared)
• Checked 152 log files, 16 edm output root files, 36 DQM output files

[pohsun]

+1

[smuzaffar]

@ggovi , can you please review this?

[smuzaffar]

@ggovi , can you please check and sign this?

[ggovi]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo (and backports should be raised in the release meeting by the corresponding L2)

[silviodonato]

+1