fix: write error handling

src/main/java/com/influxdb/v3/client/InfluxDBPartialWriteException.java

@@ -76,7 +76,7 @@ public static final class LineError {
          * @param originalLine original line protocol row; may be null if not provided by server
          */
         public LineError(@Nullable final Integer lineNumber,
-                         @Nonnull final String errorMessage,
+                         @Nullable final String errorMessage,
                          @Nullable final String originalLine) {
             this.lineNumber = lineNumber;
             this.errorMessage = errorMessage;
@@ -94,7 +94,7 @@ public Integer lineNumber() {
         /**
          * @return line-level error message
          */
-        @Nonnull
+        @Nullable
         public String errorMessage() {
             return errorMessage;
         }

src/main/java/com/influxdb/v3/client/internal/InfluxDBClientImpl.java

@@ -384,7 +384,7 @@ private <T> void writeData(@Nonnull final List<T> data, @Nonnull final WriteOpti
         headers.putAll(options.headersSafe());
 
         try {
-            restClient.request(path, HttpMethod.POST, body, queryParams, headers);
+            restClient.request(path, HttpMethod.POST, body, queryParams, headers, acceptPartial, useV2Api);
         } catch (InfluxDBApiHttpException e) {
             if (e.statusCode() == HttpResponseStatus.METHOD_NOT_ALLOWED.code()) {
                 if (useV2Api && "api/v2/write".equals(path)) {

src/main/java/com/influxdb/v3/client/internal/Utils.java

@@ -0,0 +1,46 @@
+/*
+ * The MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.influxdb.v3.client.internal;
+
+public final class Utils {
+
+    private Utils() {
+    }
+
+    /**
+     * Determines if the provided string can be parsed into a valid integer.
+     *
+     * @param str the string to check; may be null or empty
+     * @return {@code true} if the string can be parsed into an integer; {@code false} otherwise
+     */
+    public static boolean isInteger(final String str) {
+        if (str == null || str.isEmpty()) {
+            return false;
+        }
+        try {
+            Integer.parseInt(str);
+            return true;
+        } catch (NumberFormatException e) {
+            return false;
+        }
+    }
+}

src/test/java/com/influxdb/v3/client/integration/E2ETest.java

@@ -259,18 +259,11 @@ public void testWriteErrorWithoutAcceptPartial() throws Exception {
                     .acceptPartial(false)
                     .build();
             Throwable thrown = Assertions.catchThrowable(() -> client.writeRecord(points, options));
-            Assertions.assertThat(thrown).isInstanceOf(InfluxDBPartialWriteException.class);
-            Assertions.assertThat(thrown.getMessage())
-                    .contains("line protocol parsing error");
-
-            InfluxDBPartialWriteException partialError = (InfluxDBPartialWriteException) thrown;
-            Assertions.assertThat(partialError.lineErrors()).hasSize(1);
-            Assertions.assertThat(partialError.lineErrors().get(0).lineNumber()).isEqualTo(2);
-            Assertions.assertThat(partialError.lineErrors().get(0).errorMessage())
-                    .isEqualTo("invalid column type for column 'temp', expected iox::column_type::field::float, "
-                            + "got iox::column_type::field::string");
-            Assertions.assertThat(partialError.lineErrors().get(0).originalLine())
-                    .isEqualTo("home,room=Sunroom te");
+            Assertions.assertThat(thrown).isInstanceOf(InfluxDBApiHttpException.class);
+            Assertions.assertThat(thrown.getMessage()).isEqualTo("HTTP status code: 400; Message: line "
+                    + "protocol parsing error:\n"
+                    + "\tline 2: invalid column type for column 'temp', expected iox::column_type::field::float, "
+                    + "got iox::column_type::field::string (home,room=Sunroom te)");
         }
     }