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via anowak.net by Unknown author, 1 year ago
The Network Adapter could not establish the connection
via Stack Overflow by PaulinoC
, 3 weeks ago
via Oracle Community by 8a639176-49ef-4646-8606-468629945998, 2 years ago
The Network Adapter could not establish the connection
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The Network Adapter could not establish the connection
via Coderanch by ven jovovich, 1 year ago
IO Error: The Network Adapter could not establish the connection
java.sql.SQLException: The Network Adapter could not establish the connection at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503) at java.sql.DriverManager.getConnection(DriverManager.java:562) at java.sql.DriverManager.getConnection(DriverManager.java:155) at OracleSSLTest.main(Test.java:15)Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:359) at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:422) at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:672) at oracle.net.ns.NSProtocol.connect(NSProtocol.java:237) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301) ... 7 moreCaused by: oracle.net.ns.NetException: The ssl protocol specified is not supported. at oracle.net.nt.TcpsConfigure.configureVersion(TcpsConfigure.java:181) at oracle.net.nt.TcpsNTAdapter.setSSLSocketOptions(TcpsNTAdapter.java:146) at oracle.net.nt.TcpsNTAdapter.connect(TcpsNTAdapter.java:121) at oracle.net.nt.ConnOption.connect(ConnOption.java:123) at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:337) ... 12 moreCaused by: java.lang.IllegalArgumentException: SSLv2Hello at com.ibm.jsse2.mb.a(mb.java:6) at com.ibm.jsse2.lb.<init>(lb.java:16) at com.ibm.jsse2.jc.setEnabledProtocols(jc.java:245) at oracle.net.nt.TcpsConfigure.configureVersion(TcpsConfigure.java:177) ... 16 more