I want to make an android application using RethinkDB locally. However, while connecting to the database, I encounter a problem as follows. What am I doing wrong?
MainActivity.kt:
class MainActivity : AppCompatActivity() {
private val r = RethinkDB.r
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val conn: Connection = r.connection().connect()
r.db("test").tableCreate("tv_shows").run(conn)
r.table("tv_shows").insert(r.hashMap("name", "Star Trek TNG")).run(conn)
conn.close()
}
}
MainActivity screenshot: https://i.stack.imgur.com/faOlI.png
Issue:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.appops.deneme, PID: 22244
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.appops.deneme/com.appops.deneme.MainActivity}: com.rethinkdb.gen.exc.ReqlDriverError: Connection timed out.
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: com.rethinkdb.gen.exc.ReqlDriverError: Connection timed out.
at com.rethinkdb.net.DefaultConnectionFactory$SocketWrapper.connect(DefaultConnectionFactory.java:95)
at com.rethinkdb.net.DefaultConnectionFactory.lambda$newSocketAsync$0(DefaultConnectionFactory.java:37)
at com.rethinkdb.net.-$$Lambda$DefaultConnectionFactory$Dp5RB8nofLcgo_XJyBx6Kv7H-ac.get(Unknown Source:8)
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1625)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.net.SocketException: socket failed: EACCES (Permission denied)
at java.net.Socket.createImpl(Socket.java:492)
at java.net.Socket.connect(Socket.java:619)
at com.rethinkdb.net.DefaultConnectionFactory$SocketWrapper.connect(DefaultConnectionFactory.java:72)
at com.rethinkdb.net.DefaultConnectionFactory.lambda$newSocketAsync$0(DefaultConnectionFactory.java:37)?
at com.rethinkdb.net.-$$Lambda$DefaultConnectionFactory$Dp5RB8nofLcgo_XJyBx6Kv7H-ac.get(Unknown Source:8)?
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1625)?
at java.lang.Thread.run(Thread.java:764)?
Issue Screenshot: https://i.stack.imgur.com/2Rwqd.png
build.gradle(app)
plugins {
id 'com.android.application'
id 'kotlin-android'
}
android {
compileSdkVersion 30
buildToolsVersion "30.0.2"
defaultConfig {
applicationId "com.appops.deneme"
minSdkVersion 21
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
implementation 'androidx.core:core-ktx:1.2.0'
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'com.google.android.material:material:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
implementation 'com.rethinkdb:rethinkdb-driver:2.4.4'
implementation 'org.slf4j:slf4j-api:1.7.30'
implementation 'uk.uuid.slf4j:slf4j-android:1.7.30-0'
}
question from:
https://stackoverflow.com/questions/65941067/rethinkdb-connection-timed-out-issue-for-android-app 与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…