Index: src/com/mysql/jdbc/ConnectionImpl.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/com/mysql/jdbc/ConnectionImpl.java	(revision 1d14b699eff3e6112aaedb1cbe5a151ab81f98f1)
+++ src/com/mysql/jdbc/ConnectionImpl.java	(revision )
@@ -4286,7 +4286,7 @@
             if (getCachePreparedStatements() && pstmt.isPoolable()) {
                 synchronized (this.serverSideStatementCache) {
                     Object oldServerPrepStmt = this.serverSideStatementCache.put(makePreparedStatementCacheKey(pstmt.currentCatalog, pstmt.originalSql), pstmt);
-                    if (oldServerPrepStmt != null) {
+                    if (oldServerPrepStmt != null && oldServerPrepStmt != pstmt) {
                         ((ServerPreparedStatement) oldServerPrepStmt).isCached = false;
                         ((ServerPreparedStatement) oldServerPrepStmt).realClose(true, true);
                     }
Index: src/com/mysql/jdbc/ServerPreparedStatement.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/com/mysql/jdbc/ServerPreparedStatement.java	(revision 1d14b699eff3e6112aaedb1cbe5a151ab81f98f1)
+++ src/com/mysql/jdbc/ServerPreparedStatement.java	(revision )
@@ -566,7 +566,6 @@
         synchronized (locallyScopedConn.getConnectionMutex()) {
             if (this.isCached && isPoolable() && !this.isClosed) {
                 clearParameters();
-                this.isClosed = true;
                 this.connection.recachePreparedStatement(this);
                 return;
             }