chore: add error message sanitization

Author: keshavdandeva

google-cloud-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcUrlUtility.java

@@ -677,14 +677,16 @@ static Map<String, String> parseUrl(String url) {
       String key = kv[0].trim();
       if (kv.length == 1) {
         if (!key.isEmpty()) {
-          throw new BigQueryJdbcRuntimeException("Property '" + key + "' has no value.");
+          String safeKey = key.length() > 32 ? key.substring(0, 32) + "..." : key;
+          throw new BigQueryJdbcRuntimeException("Property '" + safeKey + "' has no value.");
         }
       } else {
         String value = kv[1]; // Value might be empty string if "Key="
         if (!key.isEmpty()) {
           String upperCaseKey = key.toUpperCase();
           if (!PROPERTY_NAME_MAP.containsKey(upperCaseKey)) {
-            throw new BigQueryJdbcRuntimeException("Unknown property: " + key);
+            String safeKey = key.length() > 32 ? key.substring(0, 32) + "..." : key;
+            throw new BigQueryJdbcRuntimeException("Unknown property: " + safeKey);
           }
           map.put(PROPERTY_NAME_MAP.get(upperCaseKey), CharEscapers.decodeUriPath(value));
         }

google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcUrlUtilityTest.java

@@ -145,6 +145,21 @@ public void testConnectionPropertiesFromURIMultilineNoSemicolon() {
         .isEqualTo("value1\nvalue2");
   }
 
+  @Test
+  public void testParseUrl_longUnknownProperty_sanitized() {
+    String longKey = String.join("", Collections.nCopies(50, "a"));
+    String url = "jdbc:bigquery://https://www.googleapis.com/bigquery/v2:443;" + longKey + "=value";
+
+    BigQueryJdbcRuntimeException e =
+        assertThrows(
+            BigQueryJdbcRuntimeException.class, () -> BigQueryJdbcUrlUtility.parseUrl(url));
+
+    assertThat(e.getMessage()).contains("Unknown property:");
+    assertThat(e.getMessage()).contains("...");
+    assertThat(e.getMessage()).doesNotContain(longKey);
+    assertThat(e.getMessage().length()).isLessThan(100);
+  }
+
   @Test
   public void testOverridePropertiesFromURICompatibility() {
     String connection_uri =