googleapis / googleapis/google-cloud-java

[java-bigtable] BigTable API - Error connecting to BigTable Emulator

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api: bigtable
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Description

Can you please help me identify why BigTable API fails to connect with BigTable emulator running on Docker?

#### Environment details

1. Specify the API at the beginning of the title - **BigTable**
2. OS type and version: Mac
3. Java version: 17
4. bigtable version(s): Docker BigTable

#### Steps to reproduce

1. Start gcloud BigTable emulator in local Docker.
2. Run the basic Read example - https://github.com/googleapis/java-bigtable/blob/main/samples/snippets/src/main/java/com/example/bigtable/Reads.java

#### Code example

```pom.xml



com.google.cloud
libraries-bom
26.37.0
pom
import

......


.....

com.google.cloud
google-cloud-bigtable

```
```java
try (BigtableTableAdminClient adminClient =
BigtableTableAdminClient.create(projectId, instanceId)) {
CreateTableRequest createTableRequest =
CreateTableRequest.of(tableId)
.addFamily(COLUMN_FAMILY_NAME_STATS)
.addFamily(COLUMN_FAMILY_NAME_PLAN);
adminClient.createTable(createTableRequest);
} catch (IOException e) {
System.out.println("Error during createTable: \n" + e.toString());
throw (e);
}
```

#### Stack trace
```
INFO: Connecting to the Bigtable emulator at localhost:8086
Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/base/Verify
at com.google.cloud.bigtable.admin.v2.BigtableTableAdminSettings.(BigtableTableAdminSettings.java:66)
at com.google.cloud.bigtable.admin.v2.BigtableTableAdminSettings.(BigtableTableAdminSettings.java:53)
at com.google.cloud.bigtable.admin.v2.BigtableTableAdminSettings$Builder.build(BigtableTableAdminSettings.java:265)
at com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient.create(BigtableTableAdminClient.java:151)
at com.thinknear.venice.dao.gcp.BigTableClientTest.createTable(BigTableClientTest.java:63)
at com.thinknear.venice.dao.gcp.BigTableClientTest.main(BigTableClientTest.java:39)
Caused by: java.lang.ClassNotFoundException: com.google.common.base.Verify
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
... 6 more
```

#### External references such as API reference guides

- https://cloud.google.com/bigtable/docs/emulator#client-libraries
- https://cloud.google.com/bigtable/docs/samples-java-hello-world
- https://cloud.google.com/bigtable/docs/samples-java-hello-world#reading-single-row

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