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Posted to notifications@asterixdb.apache.org by "Murtadha Hubail (Code Review)" <do...@asterixdb.incubator.apache.org> on 2018/03/17 00:13:21 UTC

Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Murtadha Hubail has uploaded a new change for review.

  https://asterix-gerrit.ics.uci.edu/2499

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................

[NO ISSUE][TX] Log LogBufferTailReader Read Failures

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- on read failures, include the read attempt status
  and the last log record that was read.

Change-Id: Iba2edd8808e1d6de33b1b0fedd27263d99171b39
---
M asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
1 file changed, 2 insertions(+), 1 deletion(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb refs/changes/99/2499/1

diff --git a/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java b/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
index 5ed5724..50aa088 100644
--- a/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
+++ b/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
@@ -46,7 +46,8 @@
         RecordReadStatus status = logRecord.readLogRecord(buffer);
         //underflow is not expected because we are at the very tail of the current log buffer
         if (status != RecordReadStatus.OK) {
-            throw new IllegalStateException();
+            throw new IllegalStateException(
+                    "Unexpected log read status: " + status + ". Read log: " + logRecord.getLogRecordForDisplay());
         }
         return logRecord;
     }

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Michael Blow (Code Review)" <do...@asterixdb.incubator.apache.org>.
Michael Blow has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3: Code-Review+2

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-verify-asterix-app/3566/ (12/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Anon. E. Moose (Code Review)" <do...@asterixdb.incubator.apache.org>.
Anon. E. Moose #1000171 has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Analytics Compatibility Compilation Successful
https://goo.gl/SN2L3u : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-verify-asterix-app/3559/ (11/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-cancellation-test/3090/ (2/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-cancellation-test/3087/ (5/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Michael Blow (Code Review)" <do...@asterixdb.incubator.apache.org>.
Michael Blow has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2: Code-Review+2

(1 comment)

https://asterix-gerrit.ics.uci.edu/#/c/2499/2/asterixdb/asterix-transactions/pom.xml
File asterixdb/asterix-transactions/pom.xml:

PS2, Line 165:       <version>1.9</version>
can we add this and move the version in apache-asterixdb pom someday?


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Michael Blow (Code Review)" <do...@asterixdb.incubator.apache.org>.
Michael Blow has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

(1 comment)

https://asterix-gerrit.ics.uci.edu/#/c/2499/1/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
File asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java:

PS1, Line 50: "Unexpected log read status: " + status + ". Read log: " + logRecord.getLogRecordForDisplay()
should we just log this in the log, not include in the exception?  also, can we please log the bytes in byte buffer, starting at position() prior to calling readLogRecord (or even some bytes before if available) up to the current position at time of status != RecordReadStatus.OK (including some bytes after if available)?


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app-sql-execution/3101/ (12/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/hyracks-gerrit/2998/ (6/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app/3815/ (10/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Anon. E. Moose (Code Review)" <do...@asterixdb.incubator.apache.org>.
Anon. E. Moose #1000171 has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Analytics Compatibility Compilation Successful
https://goo.gl/1vQ7WT : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Anon. E. Moose (Code Review)" <do...@asterixdb.incubator.apache.org>.
Anon. E. Moose #1000171 has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3: Contrib-2

Analytics Compatibility Tests Failed
https://goo.gl/AGni4w : UNSTABLE

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app/3809/ (3/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

BAD Compatibility Tests Started https://asterix-jenkins.ics.uci.edu/job/asterixbad-compat/2915/

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Anon. E. Moose (Code Review)" <do...@asterixdb.incubator.apache.org>.
Anon. E. Moose #1000171 has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Analytics Compatibility Compilation Successful
https://goo.gl/LoJHv6 : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app-sql-execution/3104/ (12/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app-sql-execution/3107/ (9/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-source-format/3046/ (5/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Integration Tests Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-integration-tests/5970/

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-sonar/7035/ (7/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1: Contrib+1

BAD Compatibility Tests Successful

https://asterix-jenkins.ics.uci.edu/job/asterixbad-compat/2911/ : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-ensure-ancestor/1109/ (8/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-ensure-ancestor/1106/ (2/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-verify-asterix-app/3546/ (12/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Murtadha Hubail (Code Review)" <do...@asterixdb.incubator.apache.org>.
Hello Anon. E. Moose #1000171, Jenkins,

I'd like you to reexamine a change.  Please visit

    https://asterix-gerrit.ics.uci.edu/2499

to look at the new patch set (#2).

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................

[NO ISSUE][TX] Log LogBufferTailReader Read Failures

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- on read failures, include the read attempt status
  and the last log record that was read.

Change-Id: Iba2edd8808e1d6de33b1b0fedd27263d99171b39
---
M asterixdb/asterix-transactions/pom.xml
M asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
A asterixdb/asterix-transactions/src/test/java/org/apache/asterix/transaction/management/service/locking/LogBufferTailReaderTest.java
3 files changed, 64 insertions(+), 1 deletion(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb refs/changes/99/2499/2
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Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>

Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3: Contrib+1

BAD Compatibility Tests Successful

https://asterix-jenkins.ics.uci.edu/job/asterixbad-compat/2915/ : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-sonar/7049/ (9/12)

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Gerrit-Reviewer: Till Westmann <ti...@apache.org>
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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Murtadha Hubail (Code Review)" <do...@asterixdb.incubator.apache.org>.
Hello Anon. E. Moose #1000171, Jenkins, Michael Blow,

I'd like you to reexamine a change.  Please visit

    https://asterix-gerrit.ics.uci.edu/2499

to look at the new patch set (#3).

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................

[NO ISSUE][TX] Log LogBufferTailReader Read Failures

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- on read failures, include the read attempt status
  and the last log record that was read.

Change-Id: Iba2edd8808e1d6de33b1b0fedd27263d99171b39
---
M asterixdb/asterix-transactions/pom.xml
M asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
A asterixdb/asterix-transactions/src/test/java/org/apache/asterix/transaction/management/service/locking/LogBufferTailReaderTest.java
M asterixdb/pom.xml
4 files changed, 68 insertions(+), 1 deletion(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb refs/changes/99/2499/3
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Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>

Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

BAD Compatibility Tests Started https://asterix-jenkins.ics.uci.edu/job/asterixbad-compat/2911/

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-notopic/8557/ (1/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app/3796/ (10/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-verify-storage/3631/ (8/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-cancellation-test/3073/ (1/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/hyracks-gerrit/3012/ (7/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app-sql-execution/3091/ (12/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1: Integration-Tests+1

Integration Tests Successful

https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-integration-tests/5970/ : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Anon. E. Moose (Code Review)" <do...@asterixdb.incubator.apache.org>.
Anon. E. Moose #1000171 has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2: Contrib+1

Analytics Compatibility Tests Successful
https://goo.gl/SVBh2V : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Murtadha Hubail (Code Review)" <do...@asterixdb.incubator.apache.org>.
Murtadha Hubail has submitted this change and it was merged.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


[NO ISSUE][TX] Log LogBufferTailReader Read Failures

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- on read failures, include the read attempt status
  and the last log record that was read.

Change-Id: Iba2edd8808e1d6de33b1b0fedd27263d99171b39
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2499
Sonar-Qube: Jenkins <je...@fulliautomatix.ics.uci.edu>
Reviewed-by: Michael Blow <mb...@apache.org>
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <je...@fulliautomatix.ics.uci.edu>
---
M asterixdb/asterix-transactions/pom.xml
M asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
A asterixdb/asterix-transactions/src/test/java/org/apache/asterix/transaction/management/service/locking/LogBufferTailReaderTest.java
M asterixdb/pom.xml
4 files changed, 68 insertions(+), 1 deletion(-)

Approvals:
  Jenkins: Verified; No violations found; 
  Michael Blow: Looks good to me, approved

Objections:
  Anon. E. Moose #1000171: Violations found



diff --git a/asterixdb/asterix-transactions/pom.xml b/asterixdb/asterix-transactions/pom.xml
index ad044cb..07dcf5d 100644
--- a/asterixdb/asterix-transactions/pom.xml
+++ b/asterixdb/asterix-transactions/pom.xml
@@ -159,5 +159,9 @@
       <groupId>org.apache.hyracks</groupId>
       <artifactId>hyracks-util</artifactId>
     </dependency>
+    <dependency>
+      <groupId>commons-codec</groupId>
+      <artifactId>commons-codec</artifactId>
+    </dependency>
   </dependencies>
 </project>
diff --git a/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java b/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
index 5ed5724..550b747 100644
--- a/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
+++ b/asterixdb/asterix-transactions/src/main/java/org/apache/asterix/transaction/management/service/logging/LogBufferTailReader.java
@@ -19,12 +19,17 @@
 package org.apache.asterix.transaction.management.service.logging;
 
 import java.nio.ByteBuffer;
+import java.util.Arrays;
 
 import org.apache.asterix.common.transactions.ILogRecord.RecordReadStatus;
 import org.apache.asterix.common.transactions.LogRecord;
+import org.apache.commons.codec.binary.Hex;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 public class LogBufferTailReader {
 
+    private static final Logger LOGGER = LogManager.getLogger();
     private final ByteBuffer buffer;
     private final LogRecord logRecord;
     private int endOffset;
@@ -46,8 +51,19 @@
         RecordReadStatus status = logRecord.readLogRecord(buffer);
         //underflow is not expected because we are at the very tail of the current log buffer
         if (status != RecordReadStatus.OK) {
-            throw new IllegalStateException();
+            logReadFailure(status);
+            throw new IllegalStateException("Unexpected log read status: " + status);
         }
         return logRecord;
     }
+
+    private void logReadFailure(RecordReadStatus status) {
+        final int bufferRemaining = endOffset - buffer.position();
+        final byte[] remainingData = new byte[bufferRemaining];
+        buffer.get(remainingData);
+        final char[] hexData = Hex.encodeHex(remainingData);
+        LOGGER.error(
+                "Unexpected read status {}, read Log: {},  buffer remaining at read: {}, buffer remaining content: {}",
+                status, bufferRemaining, logRecord.getLogRecordForDisplay(), Arrays.toString(hexData));
+    }
 }
diff --git a/asterixdb/asterix-transactions/src/test/java/org/apache/asterix/transaction/management/service/locking/LogBufferTailReaderTest.java b/asterixdb/asterix-transactions/src/test/java/org/apache/asterix/transaction/management/service/locking/LogBufferTailReaderTest.java
new file mode 100644
index 0000000..3083605
--- /dev/null
+++ b/asterixdb/asterix-transactions/src/test/java/org/apache/asterix/transaction/management/service/locking/LogBufferTailReaderTest.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.transaction.management.service.locking;
+
+import java.nio.ByteBuffer;
+
+import org.apache.asterix.transaction.management.service.logging.LogBufferTailReader;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class LogBufferTailReaderTest {
+
+    @Test
+    public void readFailureTest() {
+        ByteBuffer buffer = ByteBuffer.allocate(5);
+        LogBufferTailReader reader = new LogBufferTailReader(buffer);
+        reader.initializeScan(0, 1);
+        boolean failed = false;
+        try {
+            reader.next();
+        } catch (Exception e) {
+            failed = true;
+        }
+        Assert.assertTrue(failed);
+    }
+}
\ No newline at end of file
diff --git a/asterixdb/pom.xml b/asterixdb/pom.xml
index 41b27fb..b555cde 100644
--- a/asterixdb/pom.xml
+++ b/asterixdb/pom.xml
@@ -1193,6 +1193,11 @@
           </exclusion>
         </exclusions>
       </dependency>
+      <dependency>
+        <groupId>commons-codec</groupId>
+        <artifactId>commons-codec</artifactId>
+        <version>1.9</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
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Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Anon. E. Moose (Code Review)" <do...@asterixdb.incubator.apache.org>.
Anon. E. Moose #1000171 has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1: Contrib+1

Analytics Compatibility Tests Successful
https://goo.gl/fM19Td : SUCCESS

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 1:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app-sql-execution/3084/ (9/12)

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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-asterix-app/3812/ (7/12)

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Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Michael Blow <mb...@apache.org>
Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>
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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 2:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-verify-no-installer-app/3535/ (10/12)

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Gerrit-Change-Id: Iba2edd8808e1d6de33b1b0fedd27263d99171b39
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Gerrit-Reviewer: Anon. E. Moose #1000171
Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
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Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: abdullah alamoudi <ba...@gmail.com>
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Change in asterixdb[master]: [NO ISSUE][TX] Log LogBufferTailReader Read Failures

Posted by "Jenkins (Code Review)" <do...@asterixdb.incubator.apache.org>.
Jenkins has posted comments on this change.

Change subject: [NO ISSUE][TX] Log LogBufferTailReader Read Failures
......................................................................


Patch Set 3:

Build Started https://asterix-jenkins.ics.uci.edu/job/asterix-gerrit-source-format/3063/ (6/12)

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Gerrit-Reviewer: Jenkins <je...@fulliautomatix.ics.uci.edu>
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