feat: support partial writes

CHANGELOG.md

@@ -5,6 +5,8 @@
 1. [#360](https://github.com/InfluxCommunity/influxdb3-java/pull/360): Support passing interceptors to the Flight client.
 1. [#363](https://github.com/InfluxCommunity/influxdb3-java/pull/363): Support custom tag order via `tagOrder` write option.
    See [Sort tags by priority](https://docs.influxdata.com/influxdb3/enterprise/write-data/best-practices/schema-design/#sort-tags-by-query-priority) for more.
+1. [#365](https://github.com/InfluxCommunity/influxdb3-java/pull/365): Support partial writes via `acceptPartial` write option.
+   See [Partial writes](https://docs.influxdata.com/influxdb3/core/write-data/http-api/v3-write-lp/#partial-writes) for more.
 
 ## 1.8.0 [2026-02-19]
 

README.md

@@ -73,6 +73,7 @@ import java.util.List;
 import java.util.stream.Stream;
 
 import com.influxdb.v3.client.InfluxDBClient;
+import com.influxdb.v3.client.InfluxDBPartialWriteException;
 import com.influxdb.v3.client.query.QueryOptions;
 import com.influxdb.v3.client.Point;
 import com.influxdb.v3.client.write.WriteOptions;
@@ -113,6 +114,23 @@ client.writePoint(
         orderedTagWrite
 );
 
+//
+// Write with partial acceptance
+//
+WriteOptions partialWrite = new WriteOptions.Builder()
+        .acceptPartial(true)
+        .build();
+try {
+    client.writeRecords(List.of(
+            "temperature,region=west value=20.0",
+            "temperature,region=west value=\"bad\""
+    ), partialWrite);
+} catch (InfluxDBPartialWriteException e) {
+    // Inspect failed line details.
+    e.lineErrors().forEach(line ->
+            System.out.printf("line=%s msg=%s lp=%s%n", line.lineNumber(), line.errorMessage(), line.originalLine()));
+}
+
 //
 // Write by LineProtocol
 //

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

@@ -536,6 +536,7 @@ static InfluxDBClient getInstance(@Nonnull final ClientConfig config) {
      *   <li>precision - timestamp precision when writing data</li>
      *   <li>gzipThreshold - payload size size for gzipping data</li>
      *   <li>writeNoSync - skip waiting for WAL persistence on write</li>
+     *   <li>writeAcceptPartial - accept partial writes</li>
      * </ul>
      *
      * @param connectionString connection string
@@ -569,6 +570,7 @@ static InfluxDBClient getInstance(@Nonnull final String connectionString) {
      *   <li>INFLUX_PRECISION - timestamp precision when writing data</li>
      *   <li>INFLUX_GZIP_THRESHOLD - payload size size for gzipping data</li>
      *   <li>INFLUX_WRITE_NO_SYNC - skip waiting for WAL persistence on write</li>
+     *   <li>INFLUX_WRITE_ACCEPT_PARTIAL - accept partial writes</li>
      * </ul>
      * Supported system properties:
      * <ul>
@@ -580,6 +582,7 @@ static InfluxDBClient getInstance(@Nonnull final String connectionString) {
      *   <li>influx.precision - timestamp precision when writing data</li>
      *   <li>influx.gzipThreshold - payload size size for gzipping data</li>
      *   <li>influx.writeNoSync - skip waiting for WAL persistence on write</li>
+     *   <li>influx.writeAcceptPartial - accept partial writes</li>
      * </ul>
      *
      * @return instance of {@link InfluxDBClient}

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

@@ -0,0 +1,110 @@
+/*
+ * 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;
+
+import java.net.http.HttpHeaders;
+import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+/**
+ * HTTP exception for partial write errors returned by InfluxDB 3 write endpoint.
+ * Contains parsed line-level write errors so callers can decide how to handle failed lines.
+ */
+public class InfluxDBPartialWriteException extends InfluxDBApiHttpException {
+
+    private final List<LineError> lineErrors;
+
+    /**
+     * Construct a new InfluxDBPartialWriteException.
+     *
+     * @param message    detail message
+     * @param headers    response headers
+     * @param statusCode response status code
+     * @param lineErrors line-level errors parsed from response body
+     */
+    public InfluxDBPartialWriteException(
+            @Nullable final String message,
+            @Nullable final HttpHeaders headers,
+            final int statusCode,
+            @Nonnull final List<LineError> lineErrors) {
+        super(message, headers, statusCode);
+        this.lineErrors = List.copyOf(lineErrors);
+    }
+
+    /**
+     * Line-level write errors.
+     *
+     * @return immutable list of line errors
+     */
+    @Nonnull
+    public List<LineError> lineErrors() {
+        return lineErrors;
+    }
+
+    /**
+     * Represents one failed line from a partial write response.
+     */
+    public static final class LineError {
+
+        private final Integer lineNumber;
+        private final String errorMessage;
+        private final String originalLine;
+
+        /**
+         * @param lineNumber  line number in the write payload; may be null if not provided by server
+         * @param errorMessage line-level error message
+         * @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 originalLine) {
+            this.lineNumber = lineNumber;
+            this.errorMessage = errorMessage;
+            this.originalLine = originalLine;
+        }
+
+        /**
+         * @return line number or null if server didn't provide it
+         */
+        @Nullable
+        public Integer lineNumber() {
+            return lineNumber;
+        }
+
+        /**
+         * @return line-level error message
+         */
+        @Nonnull
+        public String errorMessage() {
+            return errorMessage;
+        }
+
+        /**
+         * @return original line protocol row or null if server didn't provide it
+         */
+        @Nullable
+        public String originalLine() {
+            return originalLine;
+        }
+    }
+}

src/main/java/com/influxdb/v3/client/config/ClientConfig.java

@@ -57,6 +57,7 @@
  *     <li><code>defaultTags</code> - defaultTags added when writing points to InfluxDB</li>
  *     <li><code>gzipThreshold</code> - threshold when gzip compression is used for writing points to InfluxDB</li>
  *     <li><code>writeNoSync</code> - skip waiting for WAL persistence on write</li>
+ *     <li><code>writeAcceptPartial</code> - accept partial writes</li>
  *     <li><code>timeout</code> - <i>deprecated in 1.4.0</i> timeout when connecting to InfluxDB,
  *     please use more informative properties <code>writeTimeout</code> and <code>queryTimeout</code></li>
  *     <li><code>writeTimeout</code> - timeout when writing data to InfluxDB</li>
@@ -107,6 +108,7 @@ public final class ClientConfig {
     private final WritePrecision writePrecision;
     private final Integer gzipThreshold;
     private final Boolean writeNoSync;
+    private final Boolean writeAcceptPartial;
     private final Map<String, String> defaultTags;
     @Deprecated
     private final Duration timeout;
@@ -208,6 +210,16 @@ public Boolean getWriteNoSync() {
         return writeNoSync;
     }
 
+    /**
+     * Accept partial writes?
+     *
+     * @return accept partial writes
+     */
+    @Nonnull
+    public Boolean getWriteAcceptPartial() {
+        return writeAcceptPartial;
+    }
+
     /**
      * Gets default tags used when writing points.
      * @return default tags
@@ -370,6 +382,7 @@ public boolean equals(final Object o) {
                 && writePrecision == that.writePrecision
                 && Objects.equals(gzipThreshold, that.gzipThreshold)
                 && Objects.equals(writeNoSync, that.writeNoSync)
+                && Objects.equals(writeAcceptPartial, that.writeAcceptPartial)
                 && Objects.equals(defaultTags, that.defaultTags)
                 && Objects.equals(timeout, that.timeout)
                 && Objects.equals(writeTimeout, that.writeTimeout)
@@ -388,7 +401,7 @@ public boolean equals(final Object o) {
     @Override
     public int hashCode() {
         return Objects.hash(host, Arrays.hashCode(token), authScheme, organization,
-                database, writePrecision, gzipThreshold, writeNoSync,
+                database, writePrecision, gzipThreshold, writeNoSync, writeAcceptPartial,
                 timeout, writeTimeout, queryTimeout, allowHttpRedirects, disableServerCertificateValidation,
                 proxy, proxyUrl, authenticator, headers,
                 defaultTags, sslRootsFilePath, disableGRPCCompression, interceptors);
@@ -403,6 +416,7 @@ public String toString() {
                 .add("writePrecision=" + writePrecision)
                 .add("gzipThreshold=" + gzipThreshold)
                 .add("writeNoSync=" + writeNoSync)
+                .add("writeAcceptPartial=" + writeAcceptPartial)
                 .add("timeout=" + timeout)
                 .add("writeTimeout=" + writeTimeout)
                 .add("queryTimeout=" + queryTimeout)
@@ -432,6 +446,7 @@ public static final class Builder {
         private WritePrecision writePrecision;
         private Integer gzipThreshold;
         private Boolean writeNoSync;
+        private Boolean writeAcceptPartial;
         private Map<String, String> defaultTags;
         @Deprecated
         private Duration timeout;
@@ -554,6 +569,19 @@ public Builder writeNoSync(@Nullable final Boolean writeNoSync) {
             return this;
         }
 
+        /**
+         * Sets whether to accept partial writes.
+         *
+         * @param writeAcceptPartial accept partial writes
+         * @return this
+         */
+        @Nonnull
+        public Builder writeAcceptPartial(@Nullable final Boolean writeAcceptPartial) {
+
+            this.writeAcceptPartial = writeAcceptPartial;
+            return this;
+        }
+
         /**
          * Sets default tags to be written with points.
          *
@@ -800,6 +828,9 @@ public ClientConfig build(@Nonnull final String connectionString) throws Malform
             if (parameters.containsKey("writeNoSync")) {
                 this.writeNoSync(Boolean.parseBoolean(parameters.get("writeNoSync")));
             }
+            if (parameters.containsKey("writeAcceptPartial")) {
+                this.writeAcceptPartial(Boolean.parseBoolean(parameters.get("writeAcceptPartial")));
+            }
             if (parameters.containsKey("disableGRPCCompression")) {
                 this.disableGRPCCompression(Boolean.parseBoolean(parameters.get("disableGRPCCompression")));
             }
@@ -855,6 +886,10 @@ public ClientConfig build(@Nonnull final Map<String, String> env, final Properti
             if (writeNoSync != null) {
                 this.writeNoSync(Boolean.parseBoolean(writeNoSync));
             }
+            final String writeAcceptPartial = get.apply("INFLUX_WRITE_ACCEPT_PARTIAL", "influx.writeAcceptPartial");
+            if (writeAcceptPartial != null) {
+                this.writeAcceptPartial(Boolean.parseBoolean(writeAcceptPartial));
+            }
             final String writeTimeout = get.apply("INFLUX_WRITE_TIMEOUT", "influx.writeTimeout");
             if (writeTimeout != null) {
                 long to = Long.parseLong(writeTimeout);
@@ -911,6 +946,9 @@ private ClientConfig(@Nonnull final Builder builder) {
         writePrecision = builder.writePrecision != null ? builder.writePrecision : WriteOptions.DEFAULT_WRITE_PRECISION;
         gzipThreshold = builder.gzipThreshold != null ? builder.gzipThreshold : WriteOptions.DEFAULT_GZIP_THRESHOLD;
         writeNoSync = builder.writeNoSync != null ? builder.writeNoSync : WriteOptions.DEFAULT_NO_SYNC;
+        writeAcceptPartial = builder.writeAcceptPartial != null
+                ? builder.writeAcceptPartial
+                : WriteOptions.DEFAULT_ACCEPT_PARTIAL;
         defaultTags = builder.defaultTags;
         timeout = builder.timeout != null ? builder.timeout : Duration.ofSeconds(WriteOptions.DEFAULT_WRITE_TIMEOUT);
         writeTimeout = builder.writeTimeout != null

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

@@ -309,15 +309,22 @@ private <T> void writeData(@Nonnull final List<T> data, @Nonnull final WriteOpti
         String path;
         Map<String, String> queryParams;
         boolean noSync = options.noSyncSafe(config);
-        if (noSync) {
-            // Setting no_sync=true is supported only in the v3 API.
+        boolean acceptPartial = options.acceptPartialSafe(config);
+        boolean useV3Write = noSync || acceptPartial;
+        if (useV3Write) {
+            // no_sync=true and accept_partial=true are supported only in the v3 API.
             path = "api/v3/write_lp";
             queryParams = new HashMap<>() {{
                 put("org", config.getOrganization());
                 put("db", database);
                 put("precision", WritePrecisionConverter.toV3ApiString(precision));
-                put("no_sync", "true");
             }};
+            if (noSync) {
+                queryParams.put("no_sync", "true");
+            }
+            if (acceptPartial) {
+                queryParams.put("accept_partial", "true");
+            }
         } else {
             // By default, use the v2 API.
             path = "api/v2/write";
@@ -373,10 +380,12 @@ private <T> void writeData(@Nonnull final List<T> data, @Nonnull final WriteOpti
         try {
             restClient.request(path, HttpMethod.POST, body, queryParams, headers);
         } catch (InfluxDBApiHttpException e) {
-            if (noSync && e.statusCode() == HttpResponseStatus.METHOD_NOT_ALLOWED.code()) {
-                // Server does not support the v3 write API, can't use the NoSync option.
+            if (useV3Write && e.statusCode() == HttpResponseStatus.METHOD_NOT_ALLOWED.code()) {
+                // Server does not support the v3 write API, can't use v3-only write options.
                 throw new InfluxDBApiHttpException("Server doesn't support write with NoSync=true "
-                        + "(supported by InfluxDB 3 Core/Enterprise servers only).", e.headers(), e.statusCode());
+                        + "or AcceptPartial=true (supported by InfluxDB 3 Core/Enterprise servers only).",
+                        e.headers(),
+                        e.statusCode());
             }
             throw e;
         }