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		05-24-2016
	
	
	
	
	
	
	
	
	
	
	
	
	
	
			
      
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		11-17-2016
	
		
		04:40 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @Matt Burgess @Arsalan Siddiqi
     Now Logs are changed  2016-11-17 10:01:04,640 ERROR [StandardProcessScheduler Thread-3] o.a.n.controller.StandardProcessorNode Failed to invoke @OnScheduled method due to java.lang.RuntimeException: Failed while executing one of processor's OnScheduled task.
java.lang.RuntimeException: Failed while executing one of processor's OnScheduled task.
   at org.apache.nifi.controller.StandardProcessorNode.invokeTaskAsCancelableFuture(StandardProcessorNode.java:1392) ~[na:na]
   at org.apache.nifi.controller.StandardProcessorNode.access$100(StandardProcessorNode.java:90) ~[na:na]
   at org.apache.nifi.controller.StandardProcessorNode$1.run(StandardProcessorNode.java:1230) ~[na:na]
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_91]
   at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_91]
   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_91]
   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_91]
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_91]
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_91]
   at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]
Caused by: java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException
   at java.util.concurrent.FutureTask.report(FutureTask.java:122) [na:1.8.0_91]
   at java.util.concurrent.FutureTask.get(FutureTask.java:206) [na:1.8.0_91]
   at org.apache.nifi.controller.StandardProcessorNode.invokeTaskAsCancelableFuture(StandardProcessorNode.java:1375) ~[na:na]
   ... 9 common frames omitted
Caused by: java.lang.reflect.InvocationTargetException: null
   at sun.reflect.GeneratedMethodAccessor301.invoke(Unknown Source) ~[na:na]
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_91]
   at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_91]
   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:137) ~[na:na]
   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:125) ~[na:na]
   at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:70) ~[na:na]
   at org.apache.nifi.controller.StandardProcessorNode$1$1.call(StandardProcessorNode.java:1234) ~[na:na]
   at org.apache.nifi.controller.StandardProcessorNode$1$1.call(StandardProcessorNode.java:1230) ~[na:na]
   ... 6 common frames omitted
Caused by: java.lang.IllegalStateException: Cannot invoke method public abstract java.sql.Connection org.apache.nifi.dbcp.DBCPService.getConnection() throws org.apache.nifi.processor.exception.ProcessException on Controller Service with identifier 47e0b89a-2e72-46d5-956e-f3b2f2b32a3f because the Controller Service is disabled
   at org.apache.nifi.controller.service.StandardControllerServiceProvider$1.invoke(StandardControllerServiceProvider.java:161) ~[na:na]
   at com.sun.proxy.$Proxy91.getConnection(Unknown Source) ~[na:na]
   at org.apache.nifi.processors.standard.QueryDatabaseTable.setup(QueryDatabaseTable.java:225) ~[na:na]
   ... 14 common frames omitted  
  
						
					
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		11-16-2016
	
		
		10:04 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi @Arsalan Siddiqi
  My issue is normally windows directory path looks like E:\connectors\mysql-connector-java-5.1.23-bin.jar
  in front need to start as file.  For your suggestion i given path like file:///E:\connectors\mysql-connector-java-5.1.23-bin.jar but still not working  Thanks   Manikandan        
						
					
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		11-16-2016
	
		
		07:09 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi @Matt Burgess  Thanks for your Replay.   I tried to change as you said but still facing same error.  This NiFi works under windows platform and is their any specific rule's to follow windows users please guide me    Thanks   Manikandan 
						
					
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		11-15-2016
	
		
		05:53 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi all,  I'm using nifi 0.7 windows version and tried to connect mysql data base but it shows following error       My DBCP settings is      and logs says   2016-11-15 15:04:45,209 ERROR [StandardProcessScheduler Thread-8] o.a.n.c.s.StandardControllerServiceNode DBCPConnectionPool[id=47e0b89a-2e72-46d5-956e-f3b2f2b32a3f] Failed to invoke @OnEnabled method due to org.apache.nifi.reporting.InitializationException: Can't load Database Driver
2016-11-15 15:04:45,212 ERROR [StandardProcessScheduler Thread-8] o.a.n.c.s.StandardControllerServiceNode 
org.apache.nifi.reporting.InitializationException: Can't load Database Driver
at org.apache.nifi.dbcp.DBCPConnectionPool.getDriverClassLoader(DBCPConnectionPool.java:199) ~[na:na]
at org.apache.nifi.dbcp.DBCPConnectionPool.onConfigured(DBCPConnectionPool.java:162) ~[na:na]
at sun.reflect.GeneratedMethodAccessor268.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_91]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_91]
at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:137) ~[na:na]
at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:125) ~[na:na]
at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:70) ~[na:na]
at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotation(ReflectionUtils.java:47) ~[na:na]
at org.apache.nifi.controller.service.StandardControllerServiceNode$1.run(StandardControllerServiceNode.java:308) ~[na:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_91]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_91]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_91]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_91]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_91]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_91]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]
Caused by: java.lang.ClassNotFoundException: 
com.mysql.jdbc.Driver
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_91]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_91]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_91]
at java.lang.Class.forName0(Native Method) ~[na:1.8.0_91]
at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_91]
at org.apache.nifi.dbcp.DBCPConnectionPool.getDriverClassLoader(DBCPConnectionPool.java:188) ~[na:na]
... 16 common frames omitted
2016-11-15 15:04:45,213 ERROR [StandardProcessScheduler Thread-8] o.a.n.c.s.StandardControllerServiceNode Failed to invoke @OnEnabled method of DBCPConnectionPool[id=47e0b89a-2e72-46d5-956e-f3b2f2b32a3f] due to org.apache.nifi.reporting.InitializationException: Can't load Database Driver  Thanks   Manikandan 
						
					
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			Apache NiFi
 
			
    
	
		
		
		09-02-2016
	
		
		07:07 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 how to set user in nifi 0.7,since in NiFi 0.7 UI we can able to see the user popup box but not the user add button     
						
					
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			Apache NiFi
 
			
    
	
		
		
		09-02-2016
	
		
		07:02 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi,  how to set user in nifi 0.7,since in NiFi 0.7 UI we can able to see the user popup box but not the user add button     
						
					
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		07-25-2016
	
		
		11:03 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Thanks @Pierre Villard it works and i need another doubt on facebook data which already posted by @Iyappan Gopalakrishnan's post .    i tried as u mentioned on the post but still not getting next pages please solve me out   
						
					
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		07-25-2016
	
		
		06:40 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 I'm able to get  twitter data in the Json  file format but my problem is   
 In GetTwitter processor properties i give some id's based on #tags (converted #tags to id)  as my needed but receives n number of files without relevant to id as i given  In terms to filter, i gives some key words like good, bad and fabulous but not working    please suggest me am i right   Thanks in advance 
						
					
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			Apache NiFi
 
			
    
	
		
		
		07-22-2016
	
		
		10:44 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 I need to save my  NiFi flow into an XML file.   We can import the xml file into template, but I also need to save NiFi flows as an XML file 
						
					
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			Apache NiFi
 
			
    
	
		
		
		07-05-2016
	
		
		10:28 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
		1 Kudo
		
	
				
		
	
		
					
							 Thanks @Pierre Villard  I got some data but still having doubts   I have created one app in facebook developer and using graph API explorer get my access token  In my Gethttp, I use url as https://graph.facebook.com/v2.6/Starbucks&access_token=my_access_token  i have to give at least a name of the file and i configure ssl (StandardSSLContextService)   Finally i directly put into HDFS, after receive first file it shows error file already exist   My problem is how can i received as multiple json files and my access token is expired in specific time is thr any options to extend dynamically....please show me with properties screen shot  
  Thank you... 
						
					
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