java.io.FileNotFoundException: ./world/session.lock (Permission denied) [07:29:31 WARN]:        at java.io.FileOutputStream.open(Native Method) [07:29:31 WARN]:        at java.io.FileOutputStream.<init>(FileOutputStream.java:221) [07:29:31 WARN]:        at java.io.FileOutputStream.<init>(FileOutputStream.java:171) [07:29:31 WARN]:        at net.minecraft.server.v1_8_R1.WorldNBTStorage.h(WorldNBTStorage.java:47)

spigotmc.org | 3 months ago
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    Rejected - Delete session.lock in world folder issue. | SpigotMC - High Performance Minecraft

    spigotmc.org | 3 months ago
    java.io.FileNotFoundException: ./world/session.lock (Permission denied) [07:29:31 WARN]:        at java.io.FileOutputStream.open(Native Method) [07:29:31 WARN]:        at java.io.FileOutputStream.<init>(FileOutputStream.java:221) [07:29:31 WARN]:        at java.io.FileOutputStream.<init>(FileOutputStream.java:171) [07:29:31 WARN]:        at net.minecraft.server.v1_8_R1.WorldNBTStorage.h(WorldNBTStorage.java:47)
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    java.io.FileNotFoundException(Access is denied)

    Stack Overflow | 10 months ago | mohanad joubeh
    java.io.FileNotFoundException: E:\asd (Access is denied) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(FileOutputStream.java:221)
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    java.io.FileNotFoundException: /data/test.xlsx (Permission denied)

    Stack Overflow | 3 years ago | anddevmanu
    java.io.FileNotFoundException: /data/test.xlsx (Permission denied) 07-17 15:23:47.906: W/System.err(384): at org.apache.harmony.luni.platform.OSFileSystem.open(Native Method) 07-17 15:23:47.915: W/System.err(384): at dalvik.system.BlockGuard$WrappedFileSystem.open(BlockGuard.java:232) 07-17 15:23:47.915: W/System.err(384): at java.io.FileOutputStream.<init>(FileOutputStream.java:94) 07-17 15:23:47.915: W/System.err(384): at java.io.FileOutputStream.<init>(FileOutputStream.java:165) 07-17 15:23:47.915: W/System.err(384): at java.io.FileOutputStream.<init>(FileOutputStream.java:144) 07-17 15:23:47.915: W/System.err(384): at com.example.excelreader.MainActivity.onCreate(MainActivity.java:44) 07-17 15:23:47.915: W/System.err(384): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
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    Cannot create folder in SdCard, Android

    Stack Overflow | 5 years ago | Merve
    java.io.FileNotFoundException: /sdcard/2012-04-29/1335734960650.jpeg (Permission denied) 04-29 21:29:20.672: W/System.err(5733): at org.apache.harmony.luni.platform.OSFileSystem.open(Native Method) 04-29 21:29:20.672: W/System.err(5733): at dalvik.system.BlockGuard$WrappedFileSystem.open(BlockGuard.java:232) 04-29 21:29:20.682: W/System.err(5733): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:94) 04-29 21:29:20.682: W/System.err(5733): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:66) 04-29 21:29:20.682: W/System.err(5733): at com.mobil.eposta.Baglanti.saveFile(Baglanti.java:345) 04-29 21:29:20.692: W/System.err(5733): at com.mobil.eposta.Baglanti.saveAttachMent(Baglanti.java:255) 04-29 21:29:20.692: W/System.err(5733): at com.mobil.eposta.Baglanti.EkiKaydet(Baglanti.java:235) 04-29 21:29:20.692: W/System.err(5733): at com.mobil.eposta.Baglanti.Position(Baglanti.java:224) 04-29 21:29:20.692: W/System.err(5733): at com.mobil.eposta.GoruntuleActivity$1.onClick(GoruntuleActivity.java:75) 04-29 21:29:20.707: W/System.err(5733): at android.view.View.performClick(View.java:2485) 04-29 21:29:20.707: W/System.err(5733): at android.view.View$PerformClick.run(View.java:9080)
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    FileNotFoundException + Writing a File to SD Card

    Stack Overflow | 6 years ago | Sameer Segal
    java.io.FileNotFoundException: /sdcard/artoo/Customerv08.apk 09-15 19:40:31.630: WARN/System.err(7933): at org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:231) 09-15 19:40:31.630: WARN/System.err(7933): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:96) 09-15 19:40:31.630: WARN/System.err(7933): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:169) 09-15 19:40:31.630: WARN/System.err(7933): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:147)

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    Root Cause Analysis

    1. java.io.FileNotFoundException

      ./world/session.lock (Permission denied) [07:29:31 WARN]:        at java.io.FileOutputStream.open(Native Method) [07:29:31 WARN]:        at java.io.FileOutputStream.<init>(FileOutputStream.java:221) [07:29:31 WARN]:        at java.io.FileOutputStream.<init>(FileOutputStream.java:171) [07:29:31 WARN]:        at net.minecraft.server.v1_8_R1.WorldNBTStorage.h(WorldNBTStorage.java:47)

      at net.minecraft.server.v1_8_R1.WorldNBTStorage.<init>()
    2. MC Server
      MinecraftServer.run
      1. net.minecraft.server.v1_8_R1.WorldNBTStorage.<init>(WorldNBTStorage.java:41)
      2. net.minecraft.server.v1_8_R1.ServerNBTManager.<init>(SourceFile:19)
      3. net.minecraft.server.v1_8_R1.MinecraftServer.a(MinecraftServer.java:249)
      4. net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:211)
      5. net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:494)
      5 frames
    3. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame