#1506 additional changes attempting to resolve issue where tuner samp…

…le processing threads just stop (polyphase channelizer).

src/main/java/io/github/dsheirer/spectrum/ComplexDftProcessor.java

@@ -25,16 +25,17 @@
 import io.github.dsheirer.properties.SystemProperties;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.spectrum.converter.DFTResultsConverter;
+import org.jtransforms.fft.FloatFFT_1D;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.IOException;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
-import org.jtransforms.fft.FloatFFT_1D;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * Processes both complex samples or float samples and dispatches a float array of DFT results, using configurable fft
@@ -229,7 +230,7 @@ public void run()
                     mRunning.set(false);
                 }
             }
-            catch(Exception e)
+            catch(Throwable e)
             {
                 mLog.error("error during dft processor calculation task", e);
             }