javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?

Server Fault | Houari | 4 years ago
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Root Cause Analysis

  1. javax.net.ssl.SSLException

    Unrecognized SSL message, plaintext connection?

    at com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord()
  2. Java JSSE
    SSLSocketImpl.startHandshake
    1. com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord(Unknown Source)
    2. com.sun.net.ssl.internal.ssl.InputRecord.read(Unknown Source)
    3. com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source)
    4. com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
    5. com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    6. com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source)
    6 frames
  3. Java RT
    HttpsURLConnectionImpl.connect
    1. sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
    2. sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
    3. sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)
    3 frames
  4. com.cisco.launcher
    g$2.run
    1. com.cisco.launcher.y.a(Unknown Source)
    2. com.cisco.launcher.y.if(Unknown Source)
    3. com.cisco.launcher.r.a(Unknown Source)
    4. com.cisco.launcher.s.do(Unknown Source)
    5. com.cisco.launcher.s.null(Unknown Source)
    6. com.cisco.launcher.s.new(Unknown Source)
    7. com.cisco.launcher.s.access$000(Unknown Source)
    8. com.cisco.launcher.s$2.a(Unknown Source)
    9. com.cisco.launcher.g$2.run(Unknown Source)
    9 frames
  5. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame