How to reopen a closed connection java

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If any request remains unanswered, the waiting method will return with a SQLException, and the Connection or objects created from the Connection will be marked as closed. Any subsequent use of the objects, with the exception of the close , isClosed or Connection.isValid methods, will result in a SQLException .

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Internal Exception: java.io.IOException: An existing connection was forcibly closed by the remote host. PLEASE HELP!!!

Exception "java.sql.SQLException: Closed Connection" using Oracle OCI JDBC (Type 2) Driver . Troubleshooting. Problem. If you had called connection.close();, the connection (assuming java.sql.Connection type) becomes useless. This operation releases this Connection object's database and JDBC resources. So Yes you need to get a fresh connection when before you can proceed by. connection = DriverManager.getConnection()

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Creating connection is an expensive operation so it's not best practice to open and close connection frequently. What you could do is to use connection pooling as a solution so every time you need a connection you can just take from the pool and o...
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What caused it was a particular line of code in your program. You should have a stack trace which tells you which line of code that was. Start looking there. If you still can't identify the fault, then post the information.
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Creating connection is an expensive operation so it's not best practice to open and close connection frequently. What you could do is to use connection pooling as a solution so every time you need a connection you can just take from the pool and o...

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howard tiersky Jun 20, 2012 yes exactly. you need to create a transition from closed to whatever open status you want to be able to go to (some people create a status called "reopened" and others just go back to a status like "in progress" or whatever.
If you had called connection.close();, the connection (assuming java.sql.Connection type) becomes useless. This operation releases this Connection object's database and JDBC resources. So Yes you need to get a fresh connection when before you can proceed by. connection = DriverManager.getConnection()

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Jul 08, 2020 · The video game was made using Java, which is why the game gives a lot of errors related to Java. Internal exception java.io.ioexception: An existing connection was forcibly closed by the remote host is a common issue faced by many players in Minecraft.

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Sep 06, 2013 · Hello Friends, Kettle - Spoon version 3.1.0 Build version: 826 Oracle Database 10.2.0.1 RHEL 4 We have a Kettle job comprising of multiple steps, few of them transformations and the rest SQL scripting steps.

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Jul 01, 2020 · If an existing connection was forcibly closed by the remote host in Minecraft, perhaps there are some problems with your network. In this case, you can try restarting your network. Just unplug both your router and modem, disconnect the ethernet cable and leave these devices idle for a few minutes.

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why is not possible to reopen a closed stream in Java? That's simply the nature of the underlying operating system constructs that Java streams represent. A stream is essentially a data conduit. Once you close it, it no longer exists. You may be able to create a new one between the same endpoints, but that yields a fundamentally different stream.
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If you had called connection.close();, the connection (assuming java.sql.Connection type) becomes useless. This operation releases this Connection object's database and JDBC resources. So Yes you need to get a fresh connection when before you can proceed by. connection = DriverManager.getConnection()

May 13, 2019 · Hello i have big data in my oracle 10g database and have to perform some calculations on every row of resultset. So i call a separate calculation class after fetching value of single row in the while(rs.next) loop. But this actually gives me multiple java.sql.SQLException: Closed Connection errors.

3) If oracle is resetting the conn, then conn. validation could help. Switch on connection validation with validation type as "TABLE" and provide any existing table name. Appserver will try to re-connect if there is a connection failure. Thanks,-Jagadish So we found where the problem lies but we aren't sure why yet. Along the way, for several players in the midwest, the service "Knology" is stopping connection. We are trying to see if this is something being blocked from our end or theirs. Sadly, I can't promise a time for when this will be resolved because of this.

Jul 02, 2020 · Solution 9 : Remove Chrome Extensions. Extensions are additional piece of software code that enhance the functionality of your Chrome browsers. There are thousands of free extensions available in Chrome store.

When this type of situation occurs, then the database connection pool (DPCP) or C3PO (if using direct JDBC) is not able to detect this connection termination. It is only when Confluence attempts to use a connection from the pool that a 'Closed Connection' exception is raised. Possible Resolutions Check the Oracle database settings The connection pool attribute to set is abandoned-connection-timeout, which is in secs, not minutes. In the exmaple config is set to 60, which is why the connection is getting reclaimed by the cache. The amount of time to wait, in seconds, that an unused logical connection may be inactive before it is removed from the pool. May 12, 2012 · I had been using SQL Developer with 2 oracle connections just fine but after I installed the Oracle 11g client, I cannot get SQL Developer to work now no matter what version of the tool and/or JAVA I use. When I go to the connections in SQL Developer it connects but then when I try to run any queries it says "connection closed".

Recommend:java - I received javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake cated in other site, and I'm seeing the following problem: javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshakeat sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)at sun.security.ssl ...
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What is java.sql.SQLRecoverableException: Closed Connection? A bove exception is due to one of these reasons this may due to the lower version of Oracle [ojdbc6.jar], network issue, firewall timeout configuration or database timeout.

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If any request remains unanswered, the waiting method will return with a SQLException, and the Connection or objects created from the Connection will be marked as closed. Any subsequent use of the objects, with the exception of the close , isClosed or Connection.isValid methods, will result in a SQLException .
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Oct 22, 2015 · "java.io.IOException: Connection closed by peer before sending a response" when using a timeout on the Observable #436 Closed Crystark opened this issue Oct 22, 2015 · 17 comments
Recommend:java - I received javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake cated in other site, and I'm seeing the following problem: javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshakeat sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)at sun.security.ssl ...

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Hi, If you explicitly close a c3p0 PooledDataSource it is closed permanently and can't be revived. You may have meant to reset the DataSource rather than close it. See soft and hard resets.

Jul 08, 2020 · The video game was made using Java, which is why the game gives a lot of errors related to Java. Internal exception java.io.ioexception: An existing connection was forcibly closed by the remote host is a common issue faced by many players in Minecraft.

Oct 03, 2020 · Internal Exception: java.IOException An existing connection was forcibly closed by the remote host Problem Thread starter perfectvolt Start date Yesterday at 6:03 AM
  • Recommend:java - I received javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake cated in other site, and I'm seeing the following problem: javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshakeat sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)at sun.security.ssl ...
  • May 13, 2019 · Hello i have big data in my oracle 10g database and have to perform some calculations on every row of resultset. So i call a separate calculation class after fetching value of single row in the while(rs.next) loop. But this actually gives me multiple java.sql.SQLException: Closed Connection errors.
  • Mar 16, 2020 · In Java how to check if Socket is Alive, Connection is Active on specific Port? isSocketAlive() Utility Last Updated on March 16th, 2020 by App Shah 4 comments This is a very simple free Java Utility which tells you if you could establish a socket connection to different hosts on specific ports.
  • Sep 06, 2013 · Hello Friends, Kettle - Spoon version 3.1.0 Build version: 826 Oracle Database 10.2.0.1 RHEL 4 We have a Kettle job comprising of multiple steps, few of them transformations and the rest SQL scripting steps.
  • Oct 03, 2020 · Internal Exception: java.IOException An existing connection was forcibly closed by the remote host Problem Thread starter perfectvolt Start date Yesterday at 6:03 AM
  • Oct 22, 2015 · "java.io.IOException: Connection closed by peer before sending a response" when using a timeout on the Observable #436 Closed Crystark opened this issue Oct 22, 2015 · 17 comments

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(However, in Java 7, a suppressed exception can still be recovered, so this is less of an issue. You still don't want an exception from rs.close() to prevent closing the db connection.) \$\endgroup\$ – Ted Hopp Feb 29 '12 at 1:39

  1. When this type of situation occurs, then the database connection pool (DPCP) or C3PO (if using direct JDBC) is not able to detect this connection termination. It is only when Confluence attempts to use a connection from the pool that a 'Closed Connection' exception is raised. Possible Resolutions Check the Oracle database settings

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  3. I have the following code , which works fine normally. We found a exception for "java.sql.SQLException: Closed Connection" in a demo site recently. I don't understand why connection is closed , and what could be the reason. In demo site, it happens everytime, so it looks like not other thread to close the connection.

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  7. I have the following code , which works fine normally. We found a exception for "java.sql.SQLException: Closed Connection" in a demo site recently. I don't understand why connection is closed , and what could be the reason. In demo site, it happens everytime, so it looks like not other thread to close the connection.

If any database connection is open then it takes the resources of the database such as memory, cursors, locks , temporary tables all are are engaged. To release the connection object it is very important to close the database connection after it is used. Database connection is closed by calling a close method of connection object.