Merge pull request #500 from Caltech-IPAC/DM-12268-ImageRequestFix

DM-12268 Fix fits image rendering problem since latest FITS library update

Author: cwang2016

src/firefly/java/edu/caltech/ipac/astro/FITSTableReader.java

@@ -219,6 +219,8 @@ public static List getStarTableList(String fits_filename) {
 
         // disable long string for HeaderCard create while collecting tables from StarTableFactory to work around the exception error
         // sent from nom.tam.fits.
+
+        FitsFactory.useThreadLocalSettings(true);
         FitsFactory.setLongStringsEnabled(false);
 
         try {

src/firefly/java/edu/caltech/ipac/firefly/server/visualize/ImagePlotCreator.java

@@ -23,6 +23,7 @@
 import nom.tam.fits.FitsException;
 import nom.tam.fits.Header;
 import nom.tam.fits.HeaderCard;
+import nom.tam.fits.HeaderCardException;
 
 import java.io.File;
 import java.io.IOException;
@@ -221,7 +222,7 @@ private static void initPlotTitle(PlotState state,
                                       ImagePlot plot,
                                       ActiveFitsReadGroup frGroup,
                                       String dataDesc,
-                                      boolean isMultiImage) {
+                                      boolean isMultiImage) throws HeaderCardException {
 
         WebPlotRequest req= state.getWebPlotRequest();
         plot.setPlotDesc("");

src/firefly/java/edu/caltech/ipac/util/FitsHDUUtil.java

@@ -13,6 +13,7 @@
 import nom.tam.fits.HeaderCard;
 import nom.tam.fits.TableHDU;
 import nom.tam.util.Cursor;
+import nom.tam.fits.FitsFactory;
 
 import java.io.File;
 import java.io.IOException;
@@ -120,6 +121,8 @@ public static DataGroup fitsHeaderToDataGroup(String fitsFile) {
             int index = 0;
             List<JSONObject> headerColumns = createHeaderTableColumns(true);
 
+            FitsFactory.useThreadLocalSettings(true);
+
             while ((hdu = fits.readHDU()) != null) {
                 JSONObject extensionInfo;
                 List<List<String>> headerRows = new ArrayList<>();