at java.lang.Thread.run(Thread.java:744)
Caused by:
java.lang.InterruptedException
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterrupti bly(AbstractQueuedSynchronizer.java:996)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibl y(AbstractQueuedSynchronizer.java:1303)
        at java.util.concurrent.Semaphore.acquire(Semaphore.java:317)
        at org.eclipse.jetty.util.BlockingCallback.block(BlockingCallback.java:94)
        at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:392)
        at java.io.FilterOutputStream.write(FilterOutputStream.java:77)
        at Nxt$CountingOutputStream.write(Unknown Source)
        at java.io.FilterOutputStream.write(FilterOutputStream.java:125)
        at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
        at sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:282)
        at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125)
        at java.io.OutputStreamWriter.write(OutputStreamWriter.java:207)
        at java.io.BufferedWriter.flushBuffer(BufferedWriter.java:129)
        at java.io.BufferedWriter.write(BufferedWriter.java:199)
        at java.io.Writer.write(Writer.java:127)
        at Nxt$Block$1.writeJSONString(Unknown Source)
        at org.json.simple.JSONValue.writeJSONString(JSONValue.java:135)
        at org.json.simple.JSONArray.writeJSONString(JSONArray.java:53)
        at org.json.simple.JSONArray.writeJSONString(JSONArray.java:59)
        at org.json.simple.JSONValue.writeJSONString(JSONValue.java:135)
        at org.json.simple.JSONObject.writeJSONString(JSONObject.java:67)
        at org.json.simple.JSONObject.writeJSONString(JSONObject.java:73)
        at Nxt.doPost(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:696)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1568)
        at org.eclipse.jetty.servlets.DoSFilter.doFilterChain(DoSFilter.java:457)
        at org.eclipse.jetty.servlets.DoSFilter.doFilter(DoSFilter.java:326)
        at org.eclipse.jetty.servlets.DoSFilter.doFilter(DoSFilter.java:299)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1539)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:524)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:568)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1110)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:453)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1044)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:199)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:459)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:280)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:229)
        at org.eclipse.jetty.io.AbstractConnection$1.run(AbstractConnection.java:505)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:607)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:536)
        at java.lang.Thread.run(Thread.java:744)
[2014-01-11 11:14:41.338] Generated an incorrect block. Waiting for the next one...
[2014-01-11 11:14:47.360] Generated an incorrect block. Waiting for the next one...
[2014-01-11 11:14:49.386] Generated an incorrect block. Waiting for the next one...
[2014-01-11 11:14:51.406] Generated an incorrect block. Waiting for the next one...
[2014-01-11 11:14:51.418] Generated an incorrect block. Waiting for the next one...
[2014-01-11 11:14:51.429] Generated an incorrect block. Waiting for the next one...
[2014-01-11 11:18:17.178] Re-scanning blockchain...