[ErrorProne] Enable JavaTimeDefaultTimeZone check

buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy

@@ -1552,7 +1552,6 @@ class BeamModulePlugin implements Plugin<Project> {
             "InvalidLink",
             "InvalidParam",
             "InvalidThrows",
-            "JavaTimeDefaultTimeZone",
             "JavaUtilDate",
             "JodaConstructors",
             "MalformedInlineTag",

sdks/java/extensions/sbe/src/test/java/org/apache/beam/sdk/extensions/sbe/SbeLogicalTypesTest.java

@@ -59,7 +59,7 @@ public void testTzTimestamp() {
 
   @Test
   public void testUtcTimeOnly() {
-    LocalTime time = LocalTime.now();
+    LocalTime time = LocalTime.now(ZoneId.of("UTC"));
     UTCTimeOnly timeOnly = new UTCTimeOnly();
 
     LocalTime afterConversions = timeOnly.toInputType(timeOnly.toBaseType(time));
@@ -79,7 +79,7 @@ public void testTzTimeOnly() {
 
   @Test
   public void testUtcDateOnly() {
-    LocalDate date = LocalDate.now();
+    LocalDate date = LocalDate.now(ZoneId.of("UTC"));
     UTCDateOnly dateOnly = new UTCDateOnly();
 
     LocalDate afterConversions = dateOnly.toInputType(dateOnly.toBaseType(date));
@@ -89,7 +89,7 @@ public void testUtcDateOnly() {
 
   @Test
   public void testLocalMktDate() {
-    LocalDate date = LocalDate.now();
+    LocalDate date = LocalDate.now(ZoneId.of("UTC"));
     LocalMktDate localMktDate = new LocalMktDate();
 
     LocalDate afterConversions = localMktDate.toInputType(localMktDate.toBaseType(date));

sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/impl/schema/BeamSqlRowCoderTest.java

@@ -21,6 +21,7 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.time.ZoneId;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.extensions.sql.impl.utils.CalciteUtils;
 import org.apache.beam.sdk.schemas.Schema;
@@ -70,9 +71,9 @@ public void encodeAndDecode() throws Exception {
                 1.1,
                 BigDecimal.ZERO,
                 "hello",
-                LocalTime.now(),
-                LocalDate.now(),
-                LocalDateTime.now(),
+                LocalTime.now(ZoneId.of("UTC")),
+                LocalDate.now(ZoneId.of("UTC")),
+                LocalDateTime.now(ZoneId.of("UTC")),
                 DateTime.now().toInstant(),
                 true)
             .build();

sdks/java/io/azure/src/test/java/org/apache/beam/sdk/io/azure/blobstore/AzureBlobStoreFileSystemTest.java

@@ -111,7 +111,8 @@ public void beforeClass() {
     when(mockedBlobClient.getBlockBlobClient()).thenReturn(mockedBlockBlob);
     when(mockedBlobClient.getProperties()).thenReturn(mockedProperties);
     when(mockedProperties.getBlobSize()).thenReturn(Long.valueOf(1));
-    when(mockedProperties.getLastModified()).thenReturn(OffsetDateTime.now());
+    when(mockedProperties.getLastModified())
+        .thenReturn(OffsetDateTime.now(java.time.ZoneOffset.UTC));
     when(mockedContainerClient.listBlobs(any(ListBlobsOptions.class), any(Duration.class)))
         .thenReturn(mockedPagedIterable);
     when(mockedContainerClient.listBlobsByHierarchy(any(String.class)))

sdks/java/io/elasticsearch-tests/elasticsearch-tests-common/src/main/java/org/apache/beam/sdk/io/elasticsearch/ElasticsearchIOTestUtils.java

@@ -343,7 +343,7 @@ static long refreshIndexAndGetCurrentNumDocs(
   static List<String> createDocuments(long numDocs, InjectionMode injectionMode) {
 
     ArrayList<String> data = new ArrayList<>();
-    LocalDateTime baseDateTime = LocalDateTime.now();
+    LocalDateTime baseDateTime = LocalDateTime.now(java.time.ZoneOffset.UTC);
     for (int i = 0; i < numDocs; i++) {
       int index = i % FAMOUS_SCIENTISTS.length;
       // insert 2 malformed documents

sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/bigquery/BeamRowToStorageApiProtoTest.java

@@ -36,6 +36,7 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.time.ZoneId;
 import java.time.temporal.ChronoUnit;
 import java.util.HashMap;
 import java.util.List;
@@ -253,9 +254,9 @@ public class BeamRowToStorageApiProtoTest {
           .withFieldValue("arrayValue", ImmutableList.of("one", "two", "red", "blue"))
           .withFieldValue("arrayNullValue", null)
           .withFieldValue("iterableValue", ImmutableList.of("blue", "red", "two", "one"))
-          .withFieldValue("sqlDateValue", LocalDate.now())
-          .withFieldValue("sqlTimeValue", LocalTime.now())
-          .withFieldValue("sqlDatetimeValue", LocalDateTime.now())
+          .withFieldValue("sqlDateValue", LocalDate.now(ZoneId.of("UTC")))
+          .withFieldValue("sqlTimeValue", LocalTime.now(ZoneId.of("UTC")))
+          .withFieldValue("sqlDatetimeValue", LocalDateTime.now(ZoneId.of("UTC")))
           .withFieldValue("sqlTimestampValue", java.time.Instant.now().plus(123, ChronoUnit.MICROS))
           .withFieldValue("enumValue", TEST_ENUM.valueOf("RED"))
           .build();

sdks/java/io/influxdb/src/test/java/org/apache/beam/sdk/io/influxdb/GenerateData.java

@@ -40,7 +40,7 @@ static List<String> getMetric(String metric, int number) {
       m.addField("field2", random.nextInt(100));
       LocalDateTime time =
           LocalDateTime.of(
-              LocalDate.now(),
+              LocalDate.now(ZoneId.of("America/Los_Angeles")),
               LocalTime.of(
                   random.nextInt(24),
                   random.nextInt(60),
@@ -64,7 +64,7 @@ static List<String> getMultipleMetric(List<String> metrics, int number) {
         m.addField("field2", random.nextInt(100));
         LocalDateTime time =
             LocalDateTime.of(
-                LocalDate.now(),
+                LocalDate.now(ZoneId.of("America/Los_Angeles")),
                 LocalTime.of(
                     random.nextInt(24),
                     random.nextInt(60),