我正在為使用 Firebase 的客戶端開發一個簡單的 JavaFx 應用程式。
這個應用程式在沒有 JavaFx 的情況下作業得很好,但是我不得不重新創建這個專案才能讓 JavaFx 使用它(簡單地添加依賴項不起作用)。
我知道這個問題可能是重復的,但我已經嘗試了之前建議的幾乎所有方法。(鏈接我在下面嘗試的那些)
使用 GoogleCredentials 時,應用程式拋出此錯誤:
java: cannot access com.google.auth.Credentials
class file for com.google.auth.Credentials not found
這是具有該方法的類:(請參閱私有建構式)
public class DataManage {
private FirebaseOptions options;
private Firestore firestore;
private FirebaseAuth mAuth;
public static DataManage getInstance() {
return Holder.INSTANCE;
}
public void initApp() {
FirebaseApp.initializeApp(options);
}
public UserRecord getUserInfo(String email) {
try {
return mAuth.getUserByEmail(email);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public void getUserDataFromDate(String email, Date date) {
try {
//Todo add stuff later
} catch (Exception e) {
e.printStackTrace();
}
}
/// I call the GoogleCredentials.fromStream() method here
private DataManage() {
try {
FileInputStream inputStream = new FileInputStream("service-account.json");
options = FirebaseOptions.builder()
.setCredentials(GoogleCredentials.fromStream(inputStream))
.setDatabaseUrl("https://attendance-349db.firebaseio.com/")
.build();
FirebaseApp.initializeApp(options);
firestore = FirestoreClient.getFirestore();
mAuth = FirebaseAuth.getInstance();
} catch (Exception e) {
e.printStackTrace();
}
}
private static class Holder {
private static final DataManage INSTANCE = new DataManage();
}
}
這是我的maven依賴檔案:(只包括依賴和構建的一部分,以避免混亂)
依賴項:
<dependencies>
<dependency>
<groupId>com.google.firebase</groupId>
<artifactId>firebase-admin</artifactId>
<version>8.1.0</version>
<exclusions>
<exclusion>
<groupId>com.google.oauth-client</groupId>
<artifactId>google-oauth-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.openjfx</groupId>
<artifactId>javafx-controls</artifactId>
<version>17-ea 11</version>
</dependency>
<dependency>
<groupId>org.openjfx</groupId>
<artifactId>javafx-fxml</artifactId>
<version>17-ea 11</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
建造:
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>17</source>
<target>17</target>
</configuration>
</plugin>
<plugin>
<groupId>org.openjfx</groupId>
<artifactId>javafx-maven-plugin</artifactId>
<version>0.0.6</version>
<executions>
<execution>
<!-- Default configuration for running with: mvn clean javafx:run -->
<id>default-cli</id>
<configuration>
<mainClass>com.indo.attendanceserver/com.indo.attendanceserver.Main</mainClass>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
我的模塊:
module com.indo.attendanceserver {
requires javafx.controls;
requires javafx.fxml;
requires firebase.admin;
requires google.cloud.firestore;
requires com.google.auth.oauth2;
opens com.indo.attendanceserver to javafx.fxml;
exports com.indo.attendanceserver;
exports com.indo.attendanceserver.scenes.intro;
opens com.indo.attendanceserver.scenes.intro to javafx.fxml;
exports com.indo.attendanceserver.scenes.user;
opens com.indo.attendanceserver.scenes.user to javafx.fxml;
}
以下是我嘗試過但沒有奏效的建議的鏈接:
我的專案中沒有 app-engine 檔案。
排除沒有幫助,也嘗試過不排除
兩者的最新版本
沒有來自此人的更新
任何幫助是極大的贊賞。
uj5u.com熱心網友回復:
我已經設法解決了這個問題。
我所要做的就是添加
requires com.google.auth;
到我的module-info.java檔案。
最終檔案如下所示:
module com.indo.attendanceserver {
requires javafx.controls;
requires javafx.fxml;
requires firebase.admin;
requires google.cloud.firestore;
requires com.google.auth.oauth2;
requires com.google.auth;
opens com.indo.attendanceserver to javafx.fxml;
exports com.indo.attendanceserver;
exports com.indo.attendanceserver.scenes.intro;
opens com.indo.attendanceserver.scenes.intro to javafx.fxml;
exports com.indo.attendanceserver.scenes.user;
opens com.indo.attendanceserver.scenes.user to javafx.fxml;
}
我希望這可以幫助任何正在尋找答案的人。
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