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IZE0823E and java.net.SocketException connecting to z/OS Explorer from Windows 7

Troubleshooting


Problem

You are using Windows 7 and the z/OS Explorer 2.1 to connect to z/OS and the connection fails with a "ConnectionException: java.net.SocketException: Connection reset" exception. You also receive message IZE0823E Error occurred getting data sets data_sets.

Symptom

IZE0823E Error occurred getting data sets data_sets

!ENTRY com.ibm.cics.eclipse.common 4 4 2013-06-26 10:32:58.803
!MESSAGE com.ibm.cics.core.comm.ConnectionException: java.net.SocketException: Connection reset
!STACK 0
com.ibm.cics.core.comm.ConnectionException: java.net.SocketException: Connection reset
at com.ibm.cics.zos.comm.ftp.ZOSFTPConnection.getFiles(ZOSFTPConnection.java:812)
at com.ibm.cics.zos.comm.ftp.ZOSFTPConnection.getJobs(ZOSFTPConnection.java:2068)
at com.ibm.cics.zos.model.ZOSConnectable.getJobs(ZOSConnectable.java:631)
at com.ibm.cics.zos.ui.views.JobRequestFilter.getChildren(JobRequestFilter.java:99)
at com.ibm.cics.zos.ui.views.TreeAsynchronousMediator$FetchingJob.runSub(TreeAsynchronousMediator.java:158)
at com.ibm.cics.eclipse.common.ui.JobWithCancelingSupport$1.run(JobWithCancelingSupport.java:56)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:200)
at java.net.SocketInputStream.read(SocketInputStream.java:132)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:322)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:364)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:210)
at java.io.InputStreamReader.read(InputStreamReader.java:205)
at java.io.BufferedReader.fill(BufferedReader.java:165)
at java.io.BufferedReader.read(BufferedReader.java:186)
at org.apache.commons.net.io.CRLFLineReader.readLine(CRLFLineReader.java:58)
at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:310)
at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:290)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:479)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:552)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:601)
at org.apache.commons.net.ftp.FTP.pasv(FTP.java:952)
at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:755)
at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:657)
at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:3097)
at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:3072)
at com.ibm.cics.zos.comm.ftp.ZOSFTPConnection.getFiles(ZOSFTPConnection.java:802)
... 6 more

[{"Product":{"code":"SSGMGV","label":"CICS Transaction Server"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Explorer","Platform":[{"code":"PF035","label":"z\/OS"}],"Version":"5.1","Edition":"","Line of Business":{"code":"LOB70","label":"Z TPS"}},{"Product":{"code":"SSBDYH","label":"IBM Explorer for z\/OS"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"PF033","label":"Windows"}],"Version":"2.1.0","Edition":"","Line of Business":{"code":"LOB70","label":"Z TPS"}}]

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Document Information

Modified date:
08 October 2025

UID

swg21642923

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