diff --git a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/otlp/internal/logs/LogMarshaler.java b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/otlp/internal/logs/LogMarshaler.java
index 327a9adaa3b..16dfaf1ba98 100644
--- a/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/otlp/internal/logs/LogMarshaler.java
+++ b/exporters/otlp/common/src/main/java/io/opentelemetry/exporter/otlp/internal/logs/LogMarshaler.java
@@ -15,6 +15,7 @@
 import io.opentelemetry.proto.logs.v1.internal.SeverityNumber;
 import io.opentelemetry.sdk.logs.data.Severity;
 import java.io.IOException;
+import javax.annotation.Nullable;
 
 final class LogMarshaler extends MarshalerWithSize {
   private final long timeUnixNano;
@@ -25,8 +26,8 @@ final class LogMarshaler extends MarshalerWithSize {
   private final KeyValueMarshaler[] attributeMarshalers;
   private final int droppedAttributesCount;
   private final int flags;
-  private final String traceId;
-  private final String spanId;
+  @Nullable private final String traceId;
+  @Nullable private final String spanId;
 
   static LogMarshaler create(io.opentelemetry.sdk.logs.data.LogData logData) {
     KeyValueMarshaler[] attributeMarshalers =
@@ -59,8 +60,8 @@ private LogMarshaler(
       KeyValueMarshaler[] attributeMarshalers,
       int droppedAttributesCount,
       int flags,
-      String traceId,
-      String spanId) {
+      @Nullable String traceId,
+      @Nullable String spanId) {
     super(
         calculateSize(
             timeUnixNano,
@@ -114,8 +115,8 @@ private static int calculateSize(
       KeyValueMarshaler[] attributeMarshalers,
       int droppedAttributesCount,
       int flags,
-      String traceId,
-      String spanId) {
+      @Nullable String traceId,
+      @Nullable String spanId) {
     int size = 0;
     size += MarshalerUtil.sizeFixed64(LogRecord.TIME_UNIX_NANO, timeUnixNano);
 
diff --git a/exporters/otlp/common/src/test/java/io/opentelemetry/exporter/otlp/internal/logs/LogsRequestMarshalerTest.java b/exporters/otlp/common/src/test/java/io/opentelemetry/exporter/otlp/internal/logs/LogsRequestMarshalerTest.java
index f72611e117f..810c45efd71 100644
--- a/exporters/otlp/common/src/test/java/io/opentelemetry/exporter/otlp/internal/logs/LogsRequestMarshalerTest.java
+++ b/exporters/otlp/common/src/test/java/io/opentelemetry/exporter/otlp/internal/logs/LogsRequestMarshalerTest.java
@@ -98,6 +98,36 @@ void toProtoLogRecord() {
     assertThat(logRecord.getTraceId().toByteArray()).isEqualTo(TRACE_ID_BYTES);
     assertThat(logRecord.getSpanId().toByteArray()).isEqualTo(SPAN_ID_BYTES);
     assertThat(logRecord.getName()).isEqualTo(NAME);
+    assertThat(logRecord.getSeverityText()).isEqualTo("INFO");
+    assertThat(logRecord.getBody()).isEqualTo(AnyValue.newBuilder().setStringValue(BODY).build());
+    assertThat(logRecord.getAttributesList())
+        .containsExactly(
+            KeyValue.newBuilder()
+                .setKey("key")
+                .setValue(AnyValue.newBuilder().setBoolValue(true).build())
+                .build());
+    assertThat(logRecord.getTimeUnixNano()).isEqualTo(12345);
+  }
+
+  @Test
+  void toProtoLogRecord_MinimalFields() {
+    LogRecord logRecord =
+        parse(
+            LogRecord.getDefaultInstance(),
+            LogMarshaler.create(
+                io.opentelemetry.sdk.logs.data.LogRecord.builder(
+                        Resource.create(Attributes.builder().put("testKey", "testValue").build()),
+                        InstrumentationLibraryInfo.create("instrumentation", "1"))
+                    .setBody(BODY)
+                    .setSeverity(Severity.INFO)
+                    .setAttributes(Attributes.of(AttributeKey.booleanKey("key"), true))
+                    .setEpochNanos(12345)
+                    .build()));
+
+    assertThat(logRecord.getTraceId().toByteArray()).isEmpty();
+    assertThat(logRecord.getSpanId().toByteArray()).isEmpty();
+    assertThat(logRecord.getName()).isBlank();
+    assertThat(logRecord.getSeverityText()).isBlank();
     assertThat(logRecord.getBody()).isEqualTo(AnyValue.newBuilder().setStringValue(BODY).build());
     assertThat(logRecord.getAttributesList())
         .containsExactly(
diff --git a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/LogSinkSdkProvider.java b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/LogSinkSdkProvider.java
index c6fa8df5c67..7aaa81cd31e 100644
--- a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/LogSinkSdkProvider.java
+++ b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/LogSinkSdkProvider.java
@@ -21,7 +21,7 @@ public final class LogSinkSdkProvider {
    *
    * @return a new {@link LogSinkSdkProviderBuilder} for this class.
    */
-  static LogSinkSdkProviderBuilder builder() {
+  public static LogSinkSdkProviderBuilder builder() {
     return new LogSinkSdkProviderBuilder();
   }
 
diff --git a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogData.java b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogData.java
index 8f64aca9bc1..4b5dd5a07f2 100644
--- a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogData.java
+++ b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogData.java
@@ -45,6 +45,7 @@ public interface LogData {
    *
    * @return the trace id.
    */
+  @Nullable
   String getTraceId();
 
   /**
@@ -52,6 +53,7 @@ public interface LogData {
    *
    * @return the span id.
    */
+  @Nullable
   String getSpanId();
 
   /**
diff --git a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecord.java b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecord.java
index b427d8779c5..c24bd4cf991 100644
--- a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecord.java
+++ b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecord.java
@@ -27,8 +27,8 @@ static LogRecord create(
       Resource resource,
       InstrumentationLibraryInfo instrumentationLibraryInfo,
       long epochNanos,
-      String traceId,
-      String spanId,
+      @Nullable String traceId,
+      @Nullable String spanId,
       int flags,
       Severity severity,
       @Nullable String severityText,
diff --git a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecordBuilder.java b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecordBuilder.java
index 8aefdaac4ec..310cd76e328 100644
--- a/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecordBuilder.java
+++ b/sdk/logs/src/main/java/io/opentelemetry/sdk/logs/data/LogRecordBuilder.java
@@ -18,8 +18,8 @@ public final class LogRecordBuilder {
   private final InstrumentationLibraryInfo instrumentationLibraryInfo;
 
   private long epochNanos;
-  private String traceId = "";
-  private String spanId = "";
+  @Nullable private String traceId;
+  @Nullable private String spanId;
   private int flags;
   private Severity severity = Severity.UNDEFINED_SEVERITY_NUMBER;
   @Nullable private String severityText;