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Getting error when trying to install DB Connect.

gwcon
Path Finder
‎08-25-2020 07:43 AM

I tried looking for 8 hours and no result found.

I have an SQL database that serves no purpose other than to add data into Splunk for testing (it has an online form to get the data in).

When I try to install DB Connect, this gives an error:

 

"There was an error processing your request. It has been logged (ID 7122576f9fb1563d)."

 


When I telnet from Splunk to the SQL server I get the event below.

 

splunk@Splunk:~$ telnet 10.0.4.4 3306
Trying 10.0.4.4...
Connected to 10.0.4.4.
Escape character is '^]'.
[
5.7.31-0ubuntu0.18.04.19>c^hD=-PGSj2;C@mysql_native_passwordxterm-256colorbob
!#08S01Got packets out of orderConnection closed by foreign host.
splunk@Splunk:~$

 

So that seems to be working-ish.
When I search on the error ID I get the following (see below).

I'd love a hint, if not a solution, of where to look for a solution. Feel free to ask more details if needed.

 

2020-08-25 16:37:05.217 +0200  [dw-57 - POST /api/connections/status] ERROR io.dropwizard.jersey.errors.LoggingExceptionMapper - Error handling a request: 7122576f9fb1563d
java.lang.NullPointerException: null
	at com.splunk.dbx.connector.logger.AuditLogger.replace(AuditLogger.java:50)
	at com.splunk.dbx.connector.logger.AuditLogger.error(AuditLogger.java:44)
	at com.splunk.dbx.server.api.service.database.impl.DatabaseMetadataServiceImpl.getStatus(DatabaseMetadataServiceImpl.java:159)
	at com.splunk.dbx.server.api.service.database.impl.DatabaseMetadataServiceImpl.getConnectionStatus(DatabaseMetadataServiceImpl.java:116)
	at com.splunk.dbx.server.api.resource.ConnectionResource.getConnectionStatusOfEntity(ConnectionResource.java:72)
	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.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:124)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:167)
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:219)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:79)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:469)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:391)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:80)
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:253)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:232)
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:680)
	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:392)
	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:365)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:318)
	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
	at io.dropwizard.jetty.NonblockingServletHolder.handle(NonblockingServletHolder.java:50)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1617)
	at io.dropwizard.servlets.ThreadNameFilter.doFilter(ThreadNameFilter.java:35)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
	at io.dropwizard.jersey.filter.AllowedMethodsFilter.handle(AllowedMethodsFilter.java:47)
	at io.dropwizard.jersey.filter.AllowedMethodsFilter.doFilter(AllowedMethodsFilter.java:41)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
	at com.splunk.dbx.server.api.filter.ResponseHeaderFilter.doFilter(ResponseHeaderFilter.java:30)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:545)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1297)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:485)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1212)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:249)
	at io.dropwizard.jetty.RoutingHandler.handle(RoutingHandler.java:52)
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:717)
	at org.eclipse.jetty.server.handler.RequestLogHandler.handle(RequestLogHandler.java:54)
	at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:173)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.Server.handle(Server.java:500)
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:547)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:270)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:388)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
	at java.lang.Thread.run(Thread.java:748)

 

 

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Solution

gwcon
Path Finder
‎08-26-2020 06:07 AM

Issue resolved.


[mysqld]
bind-address = 0.0.0.0
# skip-networking

in /etc/mysql/my.cnf resolved the issue
Also, give correct permissions to the SQL database user.

This page helped me.

https://www.digitalocean.com/community/questions/error-2003-hy000-can-t-connect-to-mysql-server-on-x...

Mainly the comment from SteveHoober on the bottom of the page.

Take into account that you can just install a mysql client on your splunk instance that will spit out error codes and give A LOT more information. Good luck for who has this issue, it took me two days..  Be brave.

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thambisetty
SplunkTrust
SplunkTrust
‎08-25-2020 11:40 AM

Can you Provide splunk enterprise version and Splunk db connect version and java version and os and os version.

————————————
If this helps, give a like below.
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gwcon
Path Finder
‎08-26-2020 02:00 AM

@thambisetty@isoutamo 


Splunk
Splunk DB Connect = 3.3.1 
Splunk Enterprise Version:8.0.5/Build:a1a6394cc5ae

Java
openjdk 11.0.8 2020-07-14
OpenJDK Runtime Environment (build 11.0.8+10-post-Ubuntu-0ubuntu118.04.1)
OpenJDK 64-Bit Server VM (build 11.0.8+10-post-Ubuntu-0ubuntu118.04.1, mixed mode, sharing)

Connector
mysql-connector-java-8.0.21.jar 

OS splunk
Chassis: vm
Virtualization: kvm
Operating System: Ubuntu 18.04.5 LTS
Kernel: Linux 4.15.0-112-generic
Architecture: x86-64

OS mySQL Server
Chassis: vm
Machine ID: 47a1c47f985847b088714d5ac07c0c27
Boot ID: 11d6f478de9148f6970cf4d5cef927ae
Virtualization: kvm
Operating System: Ubuntu 18.04.4 LTS
Kernel: Linux 4.15.0-96-generic
Architecture: x86-64

MySQL version
mysql Ver 14.14 Distrib 5.7.31, for Linux (x86_64) using EditLine wrapper

 

 

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Solution

gwcon
Path Finder
‎08-26-2020 06:07 AM

Issue resolved.


[mysqld]
bind-address = 0.0.0.0
# skip-networking

in /etc/mysql/my.cnf resolved the issue
Also, give correct permissions to the SQL database user.

This page helped me.

https://www.digitalocean.com/community/questions/error-2003-hy000-can-t-connect-to-mysql-server-on-x...

Mainly the comment from SteveHoober on the bottom of the page.

Take into account that you can just install a mysql client on your splunk instance that will spit out error codes and give A LOT more information. Good luck for who has this issue, it took me two days..  Be brave.

0 Karma
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isoutamo
SplunkTrust
SplunkTrust
‎08-26-2020 06:12 AM
Local connections are much faster 😉
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isoutamo
SplunkTrust
SplunkTrust
‎08-25-2020 02:42 PM
Add also jdbc driver versions.
r. Ismo
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