8262329: Fix JFR parser exception messages

Reviewed-by: egahlin

Author: rkennke

src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/ChunkParser.java

@@ -94,7 +94,6 @@ private boolean is(int flags) {
     public final static RecordedEvent FLUSH_MARKER = JdkJfrConsumer.instance().newRecordedEvent(null, null, 0L, 0L);
 
     private static final long CONSTANT_POOL_TYPE_ID = 1;
-    private static final String CHUNKHEADER = "jdk.types.ChunkHeader";
     private final RecordingInput input;
     private final ChunkHeader chunkHeader;
     private final TimeConverter timeConverter;
@@ -334,10 +333,7 @@ private void fillConstantPools(long abortCP) throws IOException {
                 if (lookup == null) {
                     if (type == null) {
                         throw new IOException(
-                                "Error parsing constant pool type " + getName(id) + " at position " + input.position() + " at check point between [" + lastCP + ", " + lastCP + size + "]");
-                    }
-                    if (type.getName() != CHUNKHEADER) {
-                        Logger.log(LogTag.JFR_SYSTEM_PARSER, LogLevel.INFO, "Found constant pool(" + id + ") that is never used");
+                                "Error parsing constant pool type " + getName(id) + " at position " + input.position() + " at check point between [" + lastCP + ", " + (lastCP + size) + "]");
                     }
                     ConstantMap pool = new ConstantMap(ObjectFactory.create(type, timeConverter), type.getName());
                     lookup = new ConstantLookup(pool, type);
@@ -369,7 +365,7 @@ private void fillConstantPools(long abortCP) throws IOException {
                         }
                     }
                 } catch (Exception e) {
-                    throw new IOException("Error parsing constant pool type " + getName(id) + " at position " + input.position() + " at check point between [" + lastCP + ", " + lastCP + size + "]",
+                    throw new IOException("Error parsing constant pool type " + getName(id) + " at position " + input.position() + " at check point between [" + lastCP + ", " + (lastCP + size) + "]",
                             e);
                 }
             }