Java.sql.sqlexception Io Error Connection Reset Oracle
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Io Error Connection Reset Oracle Sql Developer
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Exception In Thread "main" Java.sql.sqlrecoverableexception: Io Error: Connection Reset
Latest reply on Sep 29, 2009 10:10 AM by 509850 JDBC Connection Reset when using many processes on 64 bit system 716218 Jan 21, 2015 10:56 AM Hi, we've a annoying JDBC connection problem since we migrated our Java server to a 64 bit operating system. Here our weblogic java sql sqlrecoverableexception io error connection reset environment. Database Machine: Oracle 10g Linux 32 Bit (but same problem on 64 Bit) Application Servers Machine: JDBC driver 11.1.0.6 SUN Java 1.6.0_06 64bit Linux 64 bit (SLES 10 SP2) We have 6 different Java server processes (but with the same code) which all create some connections to the same database (running on a different Hardware). All 6 Java server processes starting at the same time (via scripts). Everything was fine, until we migrated the application server machine from 32 bit Linux to 64 bit Linux. From this day on, the half (or one more or less) of our application server processes can't longer connect to the database. The application server processes which have the problem product the following stack trace: java.sql.SQLRecoverableException: I/O Exception: Connection reset at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:281) at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:118) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:224) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:296) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:611) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:455) at oracle.jdbc.driver.PhysicalConnection.
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Java.sql.sqlrecoverableexception Io Error The Network Adapter Could Not Establish
Discuss the workings and policies of this site About Us Learn io error connection reset vendor code 17002 more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack java sql sqlrecoverableexception io error connection reset jboss Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, https://community.oracle.com/thread/943911 helping each other. Join them; it only takes a minute: Sign up SQLRecoverableException: I/O Exception: Connection reset up vote 3 down vote favorite 2 Yesterday evening I left the office with a running Java program written by me. It should insert a lot of records into our company database (Oracle) using a JDBC connection. This morning when http://stackoverflow.com/questions/6110395/sqlrecoverableexception-i-o-exception-connection-reset I came back to work I saw this error (caught by a try-catch): java.sql.SQLRecoverableException: I/O Exception: Connection reset The program wrote almost all records before getting this problem, but what if it happens early (just minutes after I leave the office at evening)? I cannot understand what happened, I contacted my database admin and he said there was no particular issue on the database. Any idea on what happened and what can I do do to avoid it? java oracle ioexception connection-reset share|improve this question edited Jul 4 '14 at 15:42 jstricker 1,33911234 asked May 24 '11 at 12:29 Maik 1952923 add a comment| 5 Answers 5 active oldest votes up vote 6 down vote accepted This simply means that soemthing in the backend ( DBMS ) decided to stop working due to unavailability of resources etc. It has nothing to do with your code or the number of inserts. You can read more about similar problems here: http://kr.forums.oracle.com/forums/thread.jspa?threadID=941911 http://forums.oracle.com/forums/thread.jspa?messageID=3800354 This may not answer your question, but you will g
Sign in Pricing Blog Support Search GitHub This repository Watch 111 Star 1,594 Fork 491 flyway/flyway Code Issues 188 Pull requests 39 Projects 1 Pulse Graphs New issue Oracle JDBC issue on Linux - IO https://github.com/flyway/flyway/issues/1077 Error: Connection reset #1077 Closed KevinSheedy opened this Issue Aug 11, 2015 · 5 https://kb.sos-berlin.com/display/PKB/ORACLE+IO+exception+-+Connection+reset+or+Timeout+reached+-+30s+-+for+process comments Projects None yet Labels d: Oracle m: Command-line o: Linux t: bug Milestone Flyway 4.0 Assignees No one assigned 4 participants KevinSheedy commented Aug 11, 2015 The Oracle JDBC driver has a known issue on some linux systems. When using flyway, it manifests itself as an intermittent failure with the message: io error ERROR: Unable to obtain Jdbc connection from DataSource .... IO Error: Connection reset The problem can be fixed by starting Java with the following JVM param: -Djava.security.egd=file:/dev/../dev/urandom To fix it on my system, I replaced this line in the flyway script: "$JAVA_CMD" -cp "$CP" org.flywaydb.commandline.Main "$@" With this one: "$JAVA_CMD" -Djava.security.egd=file:/dev/../dev/urandom -cp "$CP" org.flywaydb.commandline.Main "$@" Do you think it would be worth adding a feature to flyway to allow JVM params io error connection to be passed in as a setting, without having to modify the original flyway file? ThomasRasmussen commented Sep 17, 2015 I ran into problems with Connection Reset towards Oracle, and this option actually makes a big difference... My builds actually runs in less than 5 seconds where it would often fail after the first call to flyway. Ie. if I did a flyway:info this would run OK once, but then the following flyway runs will fail with connection reset... Connecting to Oracle with ie. SQLDeveloper works fine, so it is not a DB issue. Apparently it is an issue in Java: http://stackoverflow.com/questions/137212/how-to-solve-performance-problem-with-java-securerandom davidkarlsen commented Sep 17, 2015 Yes. The entropy problem exists on Linux. Which os are you running on? 17. sep. 2015 8:00 a.m. skrev "Thomas Rasmussen"
Available Gadgets About Confluence Log in Product Knowledge BaseSpace shortcutsCompany Web SiteChange Management SystemPage tree Browse pagesConfigureSpace tools Tools Attachments (0) Page History Restrictions Glossary Page Information Link to this Page… View in Hierarchy View Source Export to PDF Export to Word Pages … Product Knowledge Base Home JobScheduler Troubleshooting Error Codes Error Codes - Exceptions Skip to end of banner JIRA links Go to start of banner ORACLE IO exception - Connection reset or Timeout reached - 30s - for process Skip to end of metadata Created by Uwe Risse, last modified by Andreas Püschel on Jul 06, 2015 Go to start of metadata If you have the error or You probably have a problem with your entropy pool.To check it try this If this solves your problem, jdbc was not able to get random numbers from the os. Please note that the effect of the two given commands is gone on reboot. This is really a database issue, not a JobScheduler one. But here is explained what happens to bring you to a situation where you can solve the problem.The fact is, that jdbc reads from dev/random to get random numbers. The difference with /dev/urandom is, that /dev/urandom does not block if no random numbers are available. That is the reason, the two lines above solves your problem (but only until next reboot).JDBC needs the random numbers to encrypt the connect string.Normally /dev/random is used for a high quality of randomness. But when the entropy pool is empty reading from /dev/random will block.You can check your pool with /dev/random will deliver the next random number when the pool has reached more than 64 entropy units.and the poolsize (normally 4096) with If the "entropy_avail" is to small (JDBC needs 40 bytes of secure random numbers) you have to increase the pool by producing some environmental noise. This could be a problem, when you have a headless network server (no console) as the noise is produced by keyboard mouse etc.What you can do ismake sure that your entropy pool is big enoughadd in sos.ini (to have random numbers generated with less security) Also add this to all jobs in the java option section that make use of sos connection classes. Btw, another possible reason for the timeout could be a huge number of files in /tmp as jdbc tries to list all the files in the /tmp when SecureRandom.nextBytes(byte[]) is invoked. jobscheduler troubleshooting error-code exception oracle Overview Content Tools Archiving Activity Powered by a free