@Override
public void exceptionCaught(ChannelHandlerContext context, Throwable cause) {
LOG.error(cause.getMessage(), cause);
if (context.channel().isOpen()) {
context.channel().close();
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
if (!isIgnorableException(cause)) {
cause.printStackTrace();
if (ctx.channel().isActive()) {
sendError(ctx, HttpResponseStatus.INTERNAL_SERVER_ERROR);
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
if (cause instanceof ReadTimeoutException) {
LOG.warn(cause.getMessage(), cause);
} else {
LOG.error("Fetch failed :", cause);
}
// this fetching will be retry
IOUtils.cleanup(LOG, fc, raf);
finishTime = System.currentTimeMillis();
state = TajoProtos.FetcherState.FETCH_FAILED;
ctx.close();
}
private void handleDeath(Throwable cause) {
if (cause != null)
sendHttpResponse(
ctx,
req,
new DefaultFullHttpResponse(
req.getProtocolVersion(),
INTERNAL_SERVER_ERROR,
Unpooled.wrappedBuffer(
("Actor is dead because of " + cause.getMessage()).getBytes())),
false);
else
sendHttpResponse(
ctx,
req,
new DefaultFullHttpResponse(
req.getProtocolVersion(),
INTERNAL_SERVER_ERROR,
Unpooled.wrappedBuffer(("Actor has terminated.").getBytes())),
false);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
cause.printStackTrace();
ctx.close();
}
private boolean isIgnorableException(Throwable throwable) {
// There really does not seem to be a better way of detecting this kind of exception
return throwable instanceof IOException
&& throwable.getMessage().equals("Connection reset by peer");
}
