Hi Giuseppe,

I have updated the version and tried again but the problem remains the same - you can see in the logs below that the Java version is now update 55.

18-Apr-14 10:47:57,222|INFO |LightstreamerLogger.init |main |Events pool size set by default at 8.
18-Apr-14 10:47:57,233|INFO |LightstreamerLogger.init |main |Pump pool size set by default at 8.
18-Apr-14 10:47:57,251|INFO |LightstreamerLogger.init |main |Lightstreamer on Java Virtual Machine: Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM, 24.55-b03, 1.7.0_55-b13 on Mac OS X
18-Apr-14 10:47:57,252|INFO |LightstreamerLogger.init |main |Lightstreamer Server 5.1.1 build 1623.2 starting...
18-Apr-14 10:47:58,012|DEBUG|ghtstreamerLogger.connections.s sl|main |Allowed protocols for socket Lightstreamer HTTPS Server: [SSLv2Hello, SSLv3, TLSv1, TLSv1.1, TLSv1.2]
18-Apr-14 10:47:58,012|DEBUG|ghtstreamerLogger.connections.s sl|main |Allowed cipher suites for socket Lightstreamer HTTPS Server: [TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_RC4_128_SHA, SSL_RSA_WITH_RC4_128_SHA, TLS_ECDH_ECDSA_WITH_RC4_128_SHA, TLS_ECDH_RSA_WITH_RC4_128_SHA, TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA, SSL_RSA_WITH_RC4_128_MD5, TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
18-Apr-14 10:47:58,049|INFO |LightstreamerLogger.init |main |TLS/SSL Server "Lightstreamer HTTPS Server" listening to *:443 ...
18-Apr-14 10:47:58,049|INFO |LightstreamerLogger.init |main |Handshake pool size set by default at 1.
18-Apr-14 10:47:58,051|INFO |LightstreamerLogger.init |main |Server "Lightstreamer HTTP Server" listening to *:8080 ...
18-Apr-14 10:47:58,144|INFO |LightstreamerMonitorText |Timer-0 |Total threads = 138, Total heap = 257425408 (free = 203701808), Sessions = 0 (max = 0), New sessions = [+0, -0], Connections = 0 (max = 0), New connections = [+0, -0], In-pool threads = 47, Active threads = 0, Available threads = 47, Queued tasks = 0, Pool queue wait = 0, NIO write queue = 0, NIO write queue wait = 0, NIO write selectors = 8, NIO total selectors = 64, Subscribed items = 0, Inbound throughput = 0 updates/s (pre-filtered = 0), Outbound throughput = 0 updates/s (0 kbit/s, max = 0), Lost updates = 0 (total = 0), Total bytes sent = 0, Client messages throughput = 0 msgs/s (0 kbit/s, max = 0), Total messages handled = 0, Extra sleep = 0, Notify delay = 0
18-Apr-14 10:48:55,593|INFO |ghtstreamerLogger.connections.ssl|LS/SSL HANDSHAKE SELECTOR 1|Handshake failed on "Lightstreamer HTTPS Server" from 127.0.0.1:50427
18-Apr-14 10:48:55,594|ERROR|ghtstreamerLogger.connections.s sl|LS/SSL HANDSHAKE SELECTOR 1|Handshake error on Lightstreamer HTTPS Server: Broken pipe on 127.0.0.1:50427.
18-Apr-14 10:48:55,611|DEBUG|ghtstreamerLogger.connections.s sl|LS/SSL HANDSHAKE SELECTOR 1|Handshake error on Lightstreamer HTTPS Server
java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[na:1.7.0_55]
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher .java:47) ~[na:1.7.0_55]
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.jav a:93) ~[na:1.7.0_55]
at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[na:1.7.0_55]
at sun.nio.ch.SocketChannelImpl.write(SocketChannelIm pl.java:487) ~[na:1.7.0_55]
at com.lightstreamer.j.a.b.s.a(s.java) ~[lightstreamer.jar:na]
at com.lightstreamer.j.a.b.s.a(s.java) ~[lightstreamer.jar:na]
at com.lightstreamer.j.a.b.q.a(q.java) ~[lightstreamer.jar:na]
at com.lightstreamer.j.a.q.a(q.java) ~[lightstreamer.jar:na]
at com.lightstreamer.j.a.a.i.b(i.java) [lightstreamer.jar:na]
at com.lightstreamer.j.a.a.x.a(x.java) [lightstreamer.jar:na]
at com.lightstreamer.j.a.a.w.run(w.java) [lightstreamer.jar:na]



...But we still have the Broken Pipe exception unfortunately.