[jira] [Commented] (NIFI-5739) CaptureChangeMySQL should maintain its JDBC connection automatically
[ https://issues.apache.org/jira/browse/NIFI-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16661861#comment-16661861 ] ASF GitHub Bot commented on NIFI-5739: -- Github user asfgit closed the pull request at: https://github.com/apache/nifi/pull/3103 > CaptureChangeMySQL should maintain its JDBC connection automatically > > > Key: NIFI-5739 > URL: https://issues.apache.org/jira/browse/NIFI-5739 > Project: Apache NiFi > Issue Type: Bug > Components: Extensions >Affects Versions: 1.2.0 >Reporter: Koji Kawamura >Assignee: Koji Kawamura >Priority: Major > > CaptureChangeMySQL uses two different connections to the target MySQL server. > A) binlog client, B) JDBC client. The JDBC client is used to query table > column definition, which is not returned by binlog messages. > CaptureChangeMySQL establishes the JDBC connection when it starts. If the > connection is not used for the next configured wait_timeout period (defaults > to 28800 secs), the connection will be thought as an idle connection and > closed by MySQL server. That happens if no new table gets created, and no DML > is executed for the new table. The binlog client can stay connected in this > situation. > After the connection got closed, if a DML event is received, and if its table > column info is not known yet, then CaptureChangeMySQL will get the table > column info by executing a query using the connection. As a result, following > error occurs: > {code:java} > org.apache.nifi.processor.exception.ProcessException: java.io.IOException: > The last packet successfully received from the server was 55,237 milliseconds > ago. The last packet sent successfully to the server was 55,238 milliseconds > ago. is longer than the server configured value of 'wait_timeout'. You should > consider either expiring and/or testing connection validity before use in > your application, increasing the server configured values for client > timeouts, or using the Connector/J connection property 'autoReconnect=true' > to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:593) > at > org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1165) > at > org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:203) > at > org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.io.IOException: The last packet successfully received from > the server was 55,237 milliseconds ago. The last packet sent successfully to > the server was 55,238 milliseconds ago. is longer than the server configured > value of 'wait_timeout'. You should consider either expiring and/or testing > connection validity before use in your application, increasing the server > configured values for client timeouts, or using the Connector/J connection > property 'autoReconnect=true' to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.outputEvents(CaptureChangeMySQL.java:772) > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:571) > ... 10 common frames omitted > {code} > CaptureChangeMySQL should maintain underlying JDBC connection automatically, > so that the processor can keep running. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Commented] (NIFI-5739) CaptureChangeMySQL should maintain its JDBC connection automatically
[ https://issues.apache.org/jira/browse/NIFI-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16661859#comment-16661859 ] ASF subversion and git services commented on NIFI-5739: --- Commit d28b1172db974cb1bd6aeba479b7655ce89c42db in nifi's branch refs/heads/master from [~ijokarumawak] [ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=d28b117 ] NIFI-5739: Maintain CaptureChangeMySQL JDBC connection automatically Signed-off-by: Pierre Villard This closes #3103. > CaptureChangeMySQL should maintain its JDBC connection automatically > > > Key: NIFI-5739 > URL: https://issues.apache.org/jira/browse/NIFI-5739 > Project: Apache NiFi > Issue Type: Bug > Components: Extensions >Affects Versions: 1.2.0 >Reporter: Koji Kawamura >Assignee: Koji Kawamura >Priority: Major > > CaptureChangeMySQL uses two different connections to the target MySQL server. > A) binlog client, B) JDBC client. The JDBC client is used to query table > column definition, which is not returned by binlog messages. > CaptureChangeMySQL establishes the JDBC connection when it starts. If the > connection is not used for the next configured wait_timeout period (defaults > to 28800 secs), the connection will be thought as an idle connection and > closed by MySQL server. That happens if no new table gets created, and no DML > is executed for the new table. The binlog client can stay connected in this > situation. > After the connection got closed, if a DML event is received, and if its table > column info is not known yet, then CaptureChangeMySQL will get the table > column info by executing a query using the connection. As a result, following > error occurs: > {code:java} > org.apache.nifi.processor.exception.ProcessException: java.io.IOException: > The last packet successfully received from the server was 55,237 milliseconds > ago. The last packet sent successfully to the server was 55,238 milliseconds > ago. is longer than the server configured value of 'wait_timeout'. You should > consider either expiring and/or testing connection validity before use in > your application, increasing the server configured values for client > timeouts, or using the Connector/J connection property 'autoReconnect=true' > to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:593) > at > org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1165) > at > org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:203) > at > org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.io.IOException: The last packet successfully received from > the server was 55,237 milliseconds ago. The last packet sent successfully to > the server was 55,238 milliseconds ago. is longer than the server configured > value of 'wait_timeout'. You should consider either expiring and/or testing > connection validity before use in your application, increasing the server > configured values for client timeouts, or using the Connector/J connection > property 'autoReconnect=true' to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.outputEvents(CaptureChangeMySQL.java:772) > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:571) > ... 10 common frames omitted > {code} > CaptureChangeMySQL should maintain underlying JDBC connection automatically, > so that the processor can keep running. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Commented] (NIFI-5739) CaptureChangeMySQL should maintain its JDBC connection automatically
[ https://issues.apache.org/jira/browse/NIFI-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16661856#comment-16661856 ] ASF GitHub Bot commented on NIFI-5739: -- Github user pvillard31 commented on the issue: https://github.com/apache/nifi/pull/3103 +1, merging to master, thanks @ijokarumawak > CaptureChangeMySQL should maintain its JDBC connection automatically > > > Key: NIFI-5739 > URL: https://issues.apache.org/jira/browse/NIFI-5739 > Project: Apache NiFi > Issue Type: Bug > Components: Extensions >Affects Versions: 1.2.0 >Reporter: Koji Kawamura >Assignee: Koji Kawamura >Priority: Major > > CaptureChangeMySQL uses two different connections to the target MySQL server. > A) binlog client, B) JDBC client. The JDBC client is used to query table > column definition, which is not returned by binlog messages. > CaptureChangeMySQL establishes the JDBC connection when it starts. If the > connection is not used for the next configured wait_timeout period (defaults > to 28800 secs), the connection will be thought as an idle connection and > closed by MySQL server. That happens if no new table gets created, and no DML > is executed for the new table. The binlog client can stay connected in this > situation. > After the connection got closed, if a DML event is received, and if its table > column info is not known yet, then CaptureChangeMySQL will get the table > column info by executing a query using the connection. As a result, following > error occurs: > {code:java} > org.apache.nifi.processor.exception.ProcessException: java.io.IOException: > The last packet successfully received from the server was 55,237 milliseconds > ago. The last packet sent successfully to the server was 55,238 milliseconds > ago. is longer than the server configured value of 'wait_timeout'. You should > consider either expiring and/or testing connection validity before use in > your application, increasing the server configured values for client > timeouts, or using the Connector/J connection property 'autoReconnect=true' > to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:593) > at > org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1165) > at > org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:203) > at > org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.io.IOException: The last packet successfully received from > the server was 55,237 milliseconds ago. The last packet sent successfully to > the server was 55,238 milliseconds ago. is longer than the server configured > value of 'wait_timeout'. You should consider either expiring and/or testing > connection validity before use in your application, increasing the server > configured values for client timeouts, or using the Connector/J connection > property 'autoReconnect=true' to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.outputEvents(CaptureChangeMySQL.java:772) > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:571) > ... 10 common frames omitted > {code} > CaptureChangeMySQL should maintain underlying JDBC connection automatically, > so that the processor can keep running. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Commented] (NIFI-5739) CaptureChangeMySQL should maintain its JDBC connection automatically
[ https://issues.apache.org/jira/browse/NIFI-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16660169#comment-16660169 ] ASF GitHub Bot commented on NIFI-5739: -- GitHub user ijokarumawak opened a pull request: https://github.com/apache/nifi/pull/3103 NIFI-5739: Maintain CaptureChangeMySQL JDBC connection automatically Thank you for submitting a contribution to Apache NiFi. In order to streamline the review of the contribution we ask you to ensure the following steps have been taken: ### For all changes: - [x] Is there a JIRA ticket associated with this PR? Is it referenced in the commit message? - [x] Does your PR title start with NIFI- where is the JIRA number you are trying to resolve? Pay particular attention to the hyphen "-" character. - [x] Has your PR been rebased against the latest commit within the target branch (typically master)? - [x] Is your initial contribution a single, squashed commit? ### For code changes: - [x] Have you ensured that the full suite of tests is executed via mvn -Pcontrib-check clean install at the root nifi folder? - [x] Have you written or updated unit tests to verify your changes? - [ ] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under [ASF 2.0](http://www.apache.org/legal/resolved.html#category-a)? - [ ] If applicable, have you updated the LICENSE file, including the main LICENSE file under nifi-assembly? - [ ] If applicable, have you updated the NOTICE file, including the main NOTICE file found under nifi-assembly? - [ ] If adding new Properties, have you added .displayName in addition to .name (programmatic access) for each of the new properties? ### For documentation related changes: - [ ] Have you ensured that format looks appropriate for the output in which it is rendered? ### Note: Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible. You can merge this pull request into a Git repository by running: $ git pull https://github.com/ijokarumawak/nifi nifi-5739 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/nifi/pull/3103.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3103 commit 67617c174af5a5c5d99fdf80850e33f87e6d3d60 Author: Koji Kawamura Date: 2018-10-23T06:38:24Z NIFI-5739: Maintain CaptureChangeMySQL JDBC connection automatically > CaptureChangeMySQL should maintain its JDBC connection automatically > > > Key: NIFI-5739 > URL: https://issues.apache.org/jira/browse/NIFI-5739 > Project: Apache NiFi > Issue Type: Bug > Components: Extensions >Affects Versions: 1.2.0 >Reporter: Koji Kawamura >Assignee: Koji Kawamura >Priority: Major > > CaptureChangeMySQL uses two different connections to the target MySQL server. > A) binlog client, B) JDBC client. The JDBC client is used to query table > column definition, which is not returned by binlog messages. > CaptureChangeMySQL establishes the JDBC connection when it starts. If the > connection is not used for the next configured wait_timeout period (defaults > to 28800 secs), the connection will be thought as an idle connection and > closed by MySQL server. That happens if no new table gets created, and no DML > is executed for the new table. The binlog client can stay connected in this > situation. > After the connection got closed, if a DML event is received, and if its table > column info is not known yet, then CaptureChangeMySQL will get the table > column info by executing a query using the connection. As a result, following > error occurs: > {code:java} > org.apache.nifi.processor.exception.ProcessException: java.io.IOException: > The last packet successfully received from the server was 55,237 milliseconds > ago. The last packet sent successfully to the server was 55,238 milliseconds > ago. is longer than the server configured value of 'wait_timeout'. You should > consider either expiring and/or testing connection validity before use in > your application, increasing the server configured values for client > timeouts, or using the Connector/J connection property 'autoReconnect=true' > to avoid this problem. > at > org.apache.nifi.cdc.mysql.processors.CaptureChangeMySQL.onTrigger(CaptureChangeMySQL.java:593) > at > org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1165) > at >