Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.
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, and we are now facing following issue. Object DB server is creating too many sockets. Currently the ObjectDB Server process has 3895 opened files, and from that number 3823 are opened sockets. I ... /proc/
sockets become obsolete as a result of inactivity. The value is the timeout in seconds, where 0 ... its own inactivity timeout on sockets a more restrictive inactivity timeout has to be specified for ObjectDB to avoid using sockets that are expired by the firewall. The
Explains how to set a JPA/JDO database server using ObjectDB, the fast Java object database for JPA/JDO.
. a pool of sockets), provides an efficient way to construct multiple EntityManager instances ... EntityManagerFactory instance. Calling the close method is essential to release resources (such as a socket in
for the user. 8.4 Using Secure Socket Layer (SSL) ObjectDB supports encryption of client server communications using the Secure Sockets Layer (SSL) protocol. Encryption is especially important
or a socket to a remote server) in a connection pool and use them to speed up future EntityManager
.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect ... (Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source
and sockets are used for more than one request, failure to read a full request by the server can cause ... . It could be because of concurrent use of the same connection and sockets (i.e. same EntityManager) by two concurrent ... a socket from a closed EntityManager is still used after the EntityManager is closed after its resources
of getLocalHost: Socket socket = new Socket(InetAddress.getLocalHost(), port); It seems to be a known issue in