pcserna opened a new issue, #5657:
URL: https://github.com/apache/hop/issues/5657
### Apache Hop version?
2.15.0
### Java version?
openjdk 11.0.21 2023-10-17 LTS
### Operating system
Linux
### What happened?
Hello Community, I could run workflows with Asynchronous Web Service without
any problem. Thanks for the shared information!
However, running a pipeline in Web Service gave me the following error
message:
HTTP ERROR 500 javax.servlet.ServletException: Error producing web service
output
URI: /hop/webService/
STATUS: 500
MESSAGE: javax.servlet.ServletException: Error producing web service
output
SERVLET: org.apache.hop.www.WebServiceServlet-457692cb
CAUSED BY: javax.servlet.ServletException: Error producing web service
output
CAUSED BY: java.lang.NullPointerException: Cannot invoke
"org.apache.hop.pipeline.engine.IEngineComponent.addRowListener(org.apache.hop.pipeline.transform.IRowListener)"
because "component" is null
Caused by:
javax.servlet.ServletException: Error producing web service output
at
org.apache.hop.www.WebServiceServlet.doGet(WebServiceServlet.java:230)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
at org.apache.hop.www.BaseHttpServlet.service(BaseHttpServlet.java:102)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:550)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at
org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:59)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:567)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle(Server.java:516)
at
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at
org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:540)
at
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:395)
at
org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:161)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
at
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.NullPointerException: Cannot invoke
"org.apache.hop.pipeline.engine.IEngineComponent.addRowListener(org.apache.hop.pipeline.transform.IRowListener)"
because "component" is null
at
org.apache.hop.www.WebServiceServlet.doGet(WebServiceServlet.java:202)
... 39 more
My web service's json setting is the following:
{
"transformName": "OUTPUT",
"virtualPath": "",
"fieldName": "AuctionDate",
"filename": "${PROJECT_HOME}/Import/Sync_IDA_HUPX.hpl",
"bodyContentVariable": "",
"listingStatus": true,
"name": "syncIdaHupx",
"runConfigurationName": "local",
"contentType": "application/json",
"enabled": true
}
The invoked pipeline is in "waiting" status. The pipeline log halted at
Azure SQL server connection.
I can overcome this with wrapping up in a workflow and run it in async.
Thanks for the clues! Br, Peter
### Issue Priority
Priority: 3
### Issue Component
Component: Hop Server
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