"Invalid library found" with Arduino IDE 1.6.9 and arduino-esp8266fs-plugin 0.2.0

[HorstBaerbel]

I'm using the 64bit variant of the Arduino IDE if that matters.

[me-no-dev]

isn't this error coming from Arduino IDE and the libraries that you have installed?

[HorstBaerbel]

Yes. specifically the arduino-esp8266fs-plugin library aka esp8266fs.jar...

[me-no-dev]

we had another report similar to what you are saying. Building the plugin from source helped. What OS are you on?

[HorstBaerbel]

Ubuntu 14.04.03 x64

[me-no-dev]

ok so that seems common... the other user also on ubuntu64 Arduino IDE 1.6.9 How should I install the IDE to reproduce this issue? You can read here on the workaround: https://github.com/esp8266/arduino-esp8266fs-plugin/issues/20

[HorstBaerbel]

As the 1.6.9 ide was not available via the package manager I downloaded it and installed it following this guide. Then I copied the FS library to the library directory following the README. Will check out the workaround.

[HorstBaerbel]

I seemed to have no java DK installed, as make.sh told me "./make.sh: Line 22: javac: Command not found". After "sudo apt-get install default-jdk" (installed OpenJDK-7) it tells me:

pde_path: ../../../opt/arduino-1.6.9/lib/pde.jar ../../../usr/share/arduino-1.5.8/lib/pde.jar core_path: ../../../opt/arduino-1.6.9/lib/arduino-core.jar lib_path: ../../../opt/arduino-1.6.9/lib/commons-codec-1.7.jar ../../../usr/share/arduino-1.5.8/lib/commons-codec-1.7.jar javac: invalid target release: 1.8

Could the older Arduino IDE install be causing the issue? How would I get rid of it?

[me-no-dev]

it seems that the default java version on ubuntu64 is 1.7(OpenJDK-7) while on all other OSs is 1.8(OpenJDK-8). edit this line to replace 1.8 with 1.7 and give it another go?

[HorstBaerbel]

pde_path: ../../../opt/arduino-1.6.9/lib/pde.jar ../../../usr/share/arduino-1.5.8/lib/pde.jar core_path: ../../../opt/arduino-1.6.9/lib/arduino-core.jar lib_path: ../../../opt/arduino-1.6.9/lib/commons-codec-1.7.jar ../../../usr/share/arduino-1.5.8/lib/commons-codec-1.7.jar warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/PreferencesData.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. src/ESP8266FS.java:38: error: cannot find symbol import processing.app.Editor; ^ symbol: class Editor location: package processing.app src/ESP8266FS.java:39: error: cannot find symbol import processing.app.Base; ^ symbol: class Base location: package processing.app warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/BaseNoGui.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/Platform.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. src/ESP8266FS.java:42: error: cannot find symbol import processing.app.Sketch; ^ symbol: class Sketch location: package processing.app warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/SketchData.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. src/ESP8266FS.java:44: error: cannot find symbol import processing.app.tools.Tool; ^ symbol: class Tool location: package processing.app.tools warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/helpers/ProcessUtils.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/debug/TargetPlatform.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. src/ESP8266FS.java:48: error: package org.apache.commons.codec.digest does not exist import org.apache.commons.codec.digest.DigestUtils; ^ warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/helpers/FileUtils.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(cc/arduino/files/DeleteFilesOnShutdown.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. src/ESP8266FS.java:56: error: cannot find symbol public class ESP8266FS implements Tool { ^ symbol: class Tool src/ESP8266FS.java:57: error: cannot find symbol Editor editor; ^ symbol: class Editor location: class ESP8266FS src/ESP8266FS.java:60: error: cannot find symbol public void init(Editor editor) { ^ symbol: class Editor location: class ESP8266FS src/ESP8266FS.java:114: error: cannot find symbol private String getBuildFolderPath(Sketch s) { ^ symbol: class Sketch location: class ESP8266FS src/ESP8266FS.java:116: error: cannot find symbol File buildFolder = FileUtils.createTempFolder("build", DigestUtils.md5Hex(s.getMainFilePath()) + ".spiffs"); ^ symbol: variable DigestUtils location: class ESP8266FS warning: ../../../opt/arduino-1.6.9/lib/arduino-core.jar(processing/app/helpers/PreferencesMap.class): major version 52 is newer than 51, the highest major version supported by this compiler. It is recommended that the compiler be upgraded. 10 errors 9 warnings

[Diluxshan]

You have to delete the alter folder inside it........... and need to put the correct .h file to run the code nodemcu